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138. Formica consobrina. B.M. Formica consobrina, Erichs. Wiegm. Arch. (1842) v. 258,228 [[worker]]. Hab. Tasmania. Erichson described the female only of this species; the worker differs considerably in form and slightly in colour. The head and the abdomen, except the basal segment, black, otherwise pale ferruginous; the flagellum is also ferruginous; the head large, wider than the thorax, the latter rounded in front and much compressed posteriorly., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 41

15. Formica sedula. F. capite thorace pedibusque opacis nigris, abdomine castaneo. Worker. Length 5 lines. Head and thorax opake-black, the mandibles and legs shining black; the abdomen chestnut-red. The mandibles smooth at their base, and striated at their apex, with five stout teeth, the flagellum fusco-ferruginous; the head deeply emarginate behind; much wider than the thorax; the thorax compressed; the trochanters and apical joints of the tarsi ferruginous. Abdomen ovate and thinly sprinkled with reddish pubescence; the scale subquadrate; emarginate above, and slightly ferruginous; the head and thorax with a few erect black hairs. Hab. Borneo (Sarawak). Resembles F. compressa, but differs in having much stouter legs, in being pubescent, in having the posterior angles of the head more rounded, and in being pubescent., Published as part of Smith, F., 1857, Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace., pp. 42-88 in Journal of the Proceedings of the Linnean Society of London, Zoology 2 on page 56

38. Formica sylvatica. Formica sylvatica, Oliv. Encycl. Meth. vi. 491. 3 [[queen]]. Latr. Hist. Nat. Fourm. 105. Hab. France (forests in the South of France)., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 12

188. Formica Pennsylvanica. Formica Pennsylvanica, De Geer, Hist. Ins. iii. 603.4. pl. 31. f. 9, 10. Oliv. Encycl Meth. vi. 501. 52. St. Farg. Hym. i. 213. 14. Formica pubescens (var.), Latr. Hist. Nat. Fourm. 99. Hab, Pennsylvania., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 53

6. Formica cordata. F. pallide rufa; abdomine fusco, capite cordato. Worker. Length 2 lines. Pale rufo-testaceous; the head heart-shaped; the eyes black, the flagellum fusco-ferruginous with the basal joints pale; the mandibles ferruginous. Thorax narrow, deeply strangulated at the base of the metathorax. Abdomen more or less fuscous, the node of the petiole narrow and pointed above; the entire insect is smooth and shining. Hab. Aru. The worker minor is rather smaller and has the abdomen darker, in all the specimens received, but in other respects agrees with the above., Published as part of Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., pp. 132-158 in Journal of the Proceedings of the Linnean Society of London, Zoology 3 on page 137

104. Formica longicornis. Formica longicornis, Latr. Hist. Nat. Fourm. 113 [[worker]]. Hab. Senegal., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 31

46. Formica cinerascens. Formica cinerascens, Fabr. Ent. Syst. ii. 353.15 [[queen]]; Syst.Piez. 401. 19. Oliv. Encycl. Meth. vi. 494. 15. Latr. Hist. Nat. Fourm. 280. St. Farg. Hym. i. 214. 18. Jerdon, Madr. Journ. Lit. and Sc. (1851) 123; Ann. & Mag. Nat. Hist. 2nd ser. xiii. 106. 38. Hab. India (Tranquebar and the Carnatic)., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 15

92. Formica trifasciata. Female. Length 4 lines.-Ochraceous, with three fuscous stripes on the thorax, the central one abbreviated; the abdomen fuscous, with the apical margins of the segments ochraceous; the node of the peduncle incrassate, oblong, narrowed and slightly notched at the apex above; the tibiae and tarsi paler than the femora; wings fusco-hyaline, the first submarginal cell elongate, of nearly equal width throughout, very slightly widened at the apex; the second submarginal cell complete, extending to the apex of the wing; the head small, much narrower than the thorax, with the eyes prominent. Hab. Java. (Coll. East India House.), Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 27

173. Formica ovaticeps. Formica ovaticeps, Spin. Faun. Chili, vi. 238. 3. Hab. Chili., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 50

11. Formica irritans. F. capite abdomineque nigro-fuscis; antennis, thorace, abdomine, squamula pedibusque ferrugineis. Worker. Length 6 lines. Elongate and slender; head ovate; dark fuscous; the apex of the scape and the flagellum ferruginous; the clypeus and mandibles dark rufo-piceous. The thorax, scale of the abdomen and the legs, ferruginous; the thorax elongate, compressed, with the prothorax very slightly dilated at the sides. The scale of the abdomen incrassate, rounded anteriorly and truncate behind. Abdomen ovate, nigro-fuscous; the entire insect sprinkled with erect pale hairs. Worker minor. Length 3 lines. Only differs in having the antennae entirely pale ferruginous and the anterior legs stouter. Hab. Malacca; Borneo (Sarawak). This is probably the worker of F. diligens., Published as part of Smith, F., 1857, Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace., pp. 42-88 in Journal of the Proceedings of the Linnean Society of London, Zoology 2 on page 55

171. Formica bimaculata. Worker. Length 2 1/4 lines.-Black and shining, with a transverse oblong white macula on each side of the second segment of the abdomen at its base, sometimes the maculae form a slightly interrupted fascia; some of the large workers have the head red. Head oblong, with the mandibles and antennae rufo-piceous; eyes rather large, prominent, and nearly circular. Thorax oblong, narrower than the head, compressed behind; the knees and the tarsi rufo-piceous. Abdomen ovate, with a few scattered glittering pale hairs; the scale of the peduncle incrassate, narrow, its margin above rounded; the legs and antennae pubescent. The large worker only differs in being half a Une larger, and in having the head red. Hab. St. Vincent's. (Coll. F. Smith.), Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 50

4. Formica circumspecta. F. rufo-picea, antennis pedibusque pal-lide ferrugineis; squamula subquadrata, supra emarginata (f oe). F. pallide ferruginea, elongata et gracilis; abdomme rufo-fusco (operaria). Female. Length 6 1 / 3 lines. Rufo-piceous, smooth and shining, the anterior part of the head, its anterior margin, the scutellum and base of the abdominal segments of a brighter colour; the antennae, legs, and scale of the peduncle pale rufo-testaceous; the head oblong, narrowed anteriorly, transverse behind, and slightly emarginate in the middle; the mandibles stout, punctured, and with a row of black acute teeth on their inner margin; the head slightly punctured in front; the scale of the peduncle subquadrate, slightly emarginate above. Worker major. 3 1 / 2 lines. Of a pale ferruginous, with the posterior portion of the abdomen fuscous; head oblong, narrowed behind the eyes; thorax oblong, narrow, compressed behind; the scale of the peduncle small, narrow, with the superior margin rounded above; the thorax narrowed anteriorly, forming a sort of neck. The worker minor is 2 lines in length, more slender than the larger worker, with the antennae and legs much more elongate, the head narrowed behind, and the thorax prolonged into a sort of neck when viewed sideways. Hab. Celebes (Tondano)., Published as part of Smith, F., 1861, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace in the Islands of Ceram, Celebes, Ternate, and Gilolo., pp. 36-48 in Journal of the Proceedings of the Linnean Society of London, Zoology 6 on page 37

FORMICA SANGUINEA. Formica sanguinea. Latr. Hist. Nat. Fourm. 150. Foerster, Hym. Stud. Form. 20, 6. Formica dominula, Nyland. Adno. Mon. Form. Boreal. Europ. 905,6. Female (length 41 / 4 - 41 / 2 lines). Head, thorax, legs and scale of the abdomen bright fulvous red; the head above the antennas, of a reddish brown; the wings smoky at their base, extending to the stigma: abdomen ashy-black; superior margin of the scale entire. Worker (length 3 - 4 lines). Bright ferruginous, the head has the vertex, but rarely, slightly stained of a darker colour: abdomen of an ashy-black, tinged with ferruginous at the base; the scale slightly notched above. Male (length 33 / 4 - 4 lines). Black; the legs, tip ofthe abdomen, mouth (not the mandibles) and antennae;, pale red; the latter darkest towards their base; head and thorax of about equal width; abdomen one-third wider than the thorax; the scale not notched above; the wings smoky as in the female. (All the sexes from the same nest)., Published as part of Smith, F., 1851, List of the specimens of British animals in the collection of the British Museum. Part VI. - Hymenoptera Aculeata., London :British Museum on pages 8-9

196. Formica esuriens. B.M. Worker major. Length 4 lines.-Head, thorax, legs, and scale of the abdomen, ferruginous; abdomen nigro-fuscous. Head very large, much wider than the thorax, deeply excavated behind; the clypeus with a central longitudinal carina, its anterior margin with a broad shallow notch; the mandibles of a darker colour than the head, the scape blackish, the flagellum red. The. thorax paler than the head, narrowed behind; the apex of the metathorax oblique; the tibiae and tarsi slightly fuscous. Abdomen ovate, the base more or less ferruginous; the entire insect thinly sprinkled with long erect ferruginous hairs; the scale compressed, narrow, its margin entire. Worker minor. Length 3 lines.-Of the same colour as the larger worker; the head proportionably narrower, more elongatequadrate; otherwise, the same as the larger form. Hab. Mexico. This species closely resembles F. integra, but is at once distinguished by the form of the scale of the peduncle., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on pages 54-55

107. Formica rubripes. B.M. Formica rubripes, Latr. Hist. Nat. Fourm. 112 [[worker]]. Formica barbara, Drury, III. Exot. Ins. pl. 38. f. 3 [[worker]] (nec Linn.). Hab. Africa (Sierra Leone)., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 32

189. Formica triangularis. Formica triangularis, Say, Bost. Journ. Nat. Hist. 288. 5 [[queen]] [[male]]. Hab. North America (Indiana)., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 53

129. Formica suffusa. B.M. Female. Length 7 lines.-Black: the head obscurely ferruginous, the face darkest, the antennae black; the thorax with the sides with ferruginous stains above, the scutellum and two longitudinal stripes on the mesothorax, ferruginous; the legs ferruginous; wings fusco-hyaline, the nervures light brown, with a stain running along their course. Abdomen ovate, thinly clothed with pale golden pubescence. Hab. Australia. From the close resemblance between this species and F. piliventris, it is probable that this is the female of that insect., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 38

4. Formica familiaris. F. rufo-flava, l��vis, nitida; alis subhyalinis, nervuris pallide testaceis; abdomine cinereo micante vestito. Female. Length lines. Entirely of a pale reddish-yellow. Head: the sides behind the eyes straight; the posterior angles rounded, the hinder margin of the vertex slightly emarginate; the ocelli large and prominent; the clypeus and mandibles very smooth and shining, the latter with a row of black teeth on their inner margin. Thorax ovate, smooth and shining; wings subhyaline, the nervures pale testaceous, the discoidal cells obsolete. Abdomen wider than the thorax, covered with a thin, changeable, sericeous pile; the peduncle minute, obliquely inclined and fitting into a cavity at the base of the abdomen. Hab. Makassar. This insect bears a strong resemblance to F. flava of Europe., Published as part of Smith, F., 1860, Descriptions of new species of hymenopterous insects collected by Mr. A. R. Wallace at Celebes. (Part Formicidae), pp. 57-93 in Journal of the Proceedings of the Linnean Society of London, Zoology 5 on page 68

101. Formica thoracica. Formica thoracica, Fabr. Syst. Piez. 397. 5 [[queen]]. Hab. Barbary. This is probably a pale form of F. ligniperda., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 31

119. Formica fabricator. B.M. Female. Length 5 1/2 lines.-Black, smooth and shining: the flagellum, legs, thorax at the sides, and beneath, the apex of the metathorax and the base of the thorax beneath, pale rufo-testaceous. Head subquadrate and emarginate behind; the clypeus subcarinate in the middle, above which in the centre between the antennae is a slightly impressed line of the same length as the carina on each side of it; eyes ovate, placed rather high on the sides of the head. Thorax elongate-ovate. Abdomen ovate; the scale of the peduncle subovate and entire. Worker major. Length 3 1/2 lines.-Of a paler colour than the female; the head and the thorax above rufo-piceous; the legs, thorax beneath, and the scale, pale; head large, much wider than the thorax or abdomen, the thorax much compressed behind; the scale narrow, elongate, and rounded above. Worker minor. Length 2 1/2 lines.-Differs from the large worker in having the bead narrower and the thorax more elongate; it is also rather darker-coloured. Hab. St. Helena., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on pages 35-36

69. Formica mitis. B.M. Worker. Length 3 1/2 lines.-The head, scape and abdomen fusco-testaceous. The head oblong, not wider than thorax; the eyes ovate, of moderate size, placed high on the sides of the head; the clypeus carinate in the middle, the anterior margin rounded; the clypeus paler than the vertex. Thorax elongate, much compressed behind; the disk of the thorax arched lengthways; the legs palest at their base and apex; the scale of the peduncle somewhat conical, pointed above; the base of the abdomen pale, the margins of the segments fringed with a few long pale hairs. Hab. Ceylon., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 20

97.. Formica virescens. Pl. III. figs. 24-27. B.M. Formica virescens, Fabr. Syst. Eut. 392. 9 [[worker]]; Spec. Ins. i. 490. 13; Mant. Ins. i. 308. 16; Ent. Syst. ii. 355. 23; and Cab. Mus. Dom. Banks. Oliv. Encycl. Meth. vi. 494. 20. Gmelin, Syst. Nat. Ins. ii. 2800. 32. Formica longinoda, Latr. Hist. Nat. Fourm. 184 [[worker]]. Lasius virescens, Fabr. Syst. Piez. 417. 8, Formica macra, Guer. Voy. Coq. Zool. ii. 202; Atlas, t. 8. f. 1, 1 a, 1 b [[worker]]. This species we consider to be the African and Australian representative of the F. smaragdina; the species is rather smaller, the female has shorter wings, the nervures blacker, and with a fuscous stain along their course; it also differs from F. smaragdina in having the scale or node of the abdomen rather longer, and in its being elevated anteriorly. The worker of F. virescens has the head more convex behind the eyes than in F. smaragdina, and the petiole of the abdomen is shorter, and of a somewhat different form. The male of F. virescens is 3 lines in length, of a pale rufo-testaceous colour, varying in depth in different specimens, and is covered with short thin pale pubescence; the head with the vertex subquadrate, slightly narrowed posteriorly, with the angles rounded; the eyes larger than in the female; the first joint of the flagellum clavate, nearly as long as the two following, the rest being subovate and of nearly equal length. Thorax subovate, narrowed posteriorly; the wings ample, hyaline, with the nervures ferruginous. The legs very slender and elongate. Abdomen rounded, the petiole narrowed at the base. Hab. Africa; Australia., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on pages 29-30

118. Formica Brullei. B.M. Formica carinata, Brulle, Hist. Nat. II. Canar. Zool. ii. 84. 1 [[worker]]. Hab. Canary Islands., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 35

41. Formica Dalmatica. Formica Dalmatica, Nyl. Addit. Alter. Adno. Mon. Form. Bor. 37. Hab. Dalmatia., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 12

144. Formica decora. Female. Length 3 1/4 lines.-Black: the abdomen with a creamcoloured spot on each side of the second and third segments at their base. Head a little wider than the thorax, oblong, subquadrate; eyes rather large, ovate; mandibles ferruginous; antennae dark rufo-fuscous. Thorax narrow, elongate-ovate; wings wanting; the apex of the coxae and trochanters pale testaceous yellow; the apical joints of the tarsi ferruginous. Abdomen elongate-ovate; the pale spots at the base of the second and third segments subtriangular, the apical margins of the segments thinly ciliated with glittering white hairs. Hab. Brazil. (Coll. D. Swainson, Esq.), Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 43

137. Formica procidua. Formica procidua, Erichs. Wiegm. Arch. (1842) v. 230, 259. Hab. Tasmania., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 41

FORMICA CUNICULARIA. Formica cunicularia, Latr. Fourm. 151. Nyland. Adno. Mon. Form. Boreal. 913, 11. Foerster, Hym. Stud. Form. 26,9. Female (length 4 lines). Antennae, face below them, the mandibles, thorax, legs and scale of the abdomen bright ferruginous; the disk of the thorax of a dark red-brown, or with three or four spots of that colour; the antennae are darker towards their apex the scale is very slightly notched; abdomen of an ashy black; at the base and beneath having a ferruginous tinge: the wings are hyaline, but slightly smoky towards their base; the nervures, are testaceous, the stigma brown. Worker (length 2 - 23 / 4 lines). This sex is similarly coloured to the female, but altogether duller; and the thorax is more elongate and narrowed towards the metathorax; the abdominal scale is not notched, and the legs more elongate than in the female. Male (length 4 lines). Black; the legs and tip of the abdomen of a pale reddish yellow; the scale is quadrate and deeply notched above; the wings hyaline, but smoky towards their base, the nervures testaceous, the stigma brown: abdomen elongate, about the same width as the thorax, and having a bright silky gloss. (All the sexes taken from the same nest.) Note. - The male closely resembles that of Formica fusca, but distinguished by having the externo-medial nervure continued to the base of the wing; in fusca it becomes obsolete., Published as part of Smith, F., 1851, List of the specimens of British animals in the collection of the British Museum. Part VI. - Hymenoptera Aculeata., London :British Museum on page 9

66. Formica gibbosa. Pl. II. fig. 2. B.M. Worker. Length 3 lines.-Head, scape of the antennae, thorax and legs fusco-testaceous; the flagellum, mandibles, tarsi and abdomen pale testaceous, varying sometimes in being almost entirely pale. The antennae a little longer than the head and thorax; eyes black and prominent, placed laterally about the middle of the head. Thorax not so wide as the head, the prothorax rounded at the sides, the meso- and metathorax narrower, the latter flattened and oblong-quadrate above, the lateral margins raised; behind obliquely truncate; a deep strangulation between the meso- and metathorax, the latter being elevated; the legs slightly pubescent. Abdomen globose, and covered with pale golden-yellow pubescence; the scale of the peduncle incrassate, its anterior face rounder or concave, flattened, and slightly hollowed out behind. Hab. lndia?. This species constructs its nest on leaves, the texture of which closely resembles that of many small species of Vespidae; in fact it is quite possible that it may take possession of a Vespidious nest, and adapt it to its own purposes: the worker greatly resembles in form that of the European species Formica lateralis., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 19

123. Formica macrocephala. B.M. Formica macrocephala, Erichs. Wiegm. Archiv (1842), 229, 259 [[queen]]. Hab. Tasmania., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 37

9. Formica (Tapinoma) albipes. F. nigra, subnitida, glabra; metathorace dorso abbreviato; squama oblongo-depressa; pedum articulis tarsisque albis, Worker. Length 1 1 / 4 line. Black, slightly shining; the antennae inserted widely apart on the front of the head; the metathorax oblique behind; the scale of the peduncle decumbent and hidden beneath the base of the abdomen, which projects forwards; the tarsi white. Hab. Celebes (Tondano)., Published as part of Smith, F., 1861, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace in the Islands of Ceram, Celebes, Ternate, and Gilolo., pp. 36-48 in Journal of the Proceedings of the Linnean Society of London, Zoology 6 on page 38

45. Formica gigas. Pl. III. fig. 30. B.M. Formica gigas, Latr. Hist. Nat. Fourni. 105. pl. 2. f. 6. [[worker]] major. Smith, Proc. Linn. Soc. ii. 53. Formica angusticollis, Jerdon, Madras Journ. Lit. and Sc. (1851) 120? Worker minor. Length 8 lines.-More elongate and narrower than the larger worker; the head much narrower and not widened behind the eyes; the legs proportionably longer, the scale of the abdomen of the same conical form. Female. Length 12 lines.-Of the same colour as the workers, the head scarcely as wide as the thorax; the eyes placed high on the head; the head elongate; the thorax ovate; the scutellum very convex; the scale of the abdomen deeply notched. Male. Length 8 lines.-Blackish-brown: the coxae, femora, apical joints of the tarsi and the flagellum pale testaceous; thorax elongate-ovate, shining on the disk; wings hyaline, the anterior pair yellowish in front; the head much narrower than the thorax. Hab. India; Malacca; Singapore; Borneo., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 14

7. Formica pressilabris. B.M. Formica pressilabris, Nyl. Adno. Mon. Form. Bor. 911.10; Form. Fr. et d'Alger. 63. Mayr. Form. Austr. 67.13; Ungar. Ameis. 10.13. Hab. Scandinavia; Austria; Hungary; Finland., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 5

13. Formica angulata. F. nigra nitida; flagello capite antice pedibusque obscure ferrugineis, metathorace angulato. Worker. Length 3 lines. Shining black; head of moderate size; the clypeus and mandibles obscure ferruginous; the flagellum fusco-ferruginous, with the tip pale testaceous. Thorax rounded anteriorly and compressed behind; the scutellum prominent, forming a small tubercle; the metathorax obliquely truncate, the margin of the truncation elevated, so that when viewed sideways the metathorax forms an obtuse angular shape. Abdomen ovate, the node of the peduncle elevated, incrassate, rounded anteriorly, and flat behind. Hab. Aru., Published as part of Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., pp. 132-158 in Journal of the Proceedings of the Linnean Society of London, Zoology 3 on page 139

50. Formica elongata. Formica elongata, Fair. Ent. Syst. ii. 354. Hab. Tranquebar., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 15

100. Formica micans. Formica micans, Nyl. Fourm. Fr. et d'Alg. Ann. Sc. Nat. v. 55,4 [[worker]]. Hab. Algeria., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 30

147. Formica atriceps. B.M. Worker major. Length 5 lines.-Ochraceous, with the head black: in some examples the head and disk of the thorax are more or less fusco-ferruginous. Head very large, much wider than the thorax and deeply emarginate behind; the clypeus with a central longitudinal carina, its anterior margin broadly and deeply notched; the mandibles armed with five blunt teeth; the flagellum ferruginous. Thorax rounded in front, compressed and much narrowed behind. Abdomen ovate, narrower than the head; the scale ovate, rounded and somewhat narrowed above; the insect is sprinkled thinly with long erect ferruginous hairs. Worker minor. Length 4 lines.-Of the same colour as the large worker, but with the head narrower and more elongate; the clypeus, mandibles and flagellum ferruginous, otherwise resembling the large worker. Hab. Brazil (Para; Santarem; Rio). A specimen from the collection of Mr. Swainson, probably the female of this species, is of the same colour as the worker: the thorax ovate, with a dark stain on the mesothorax in front and an elongate dark stripe on each side; the wings hyaline, the nervures yellow; the scale of the peduncle ovate, with a slight notch above; the knees, tarsi and apical segments of the abdomen fuscous., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 44

94. Formica luctuosa. Female. Length 7 1/2 lines.-Shining black: the vertex subopake; the head deeply emarginate behind; the anterior margin of the clypeus truncate. Thorax ovate; the mesothorax with a longitudinal impressed Une on each side; the metathorax delicately shagreened; wings subhyaline, the nervures rufotestaceous, with a fuscous stain running along their courseAbdomen ovate, smooth and shining; the scale of the peduncle quadrate, the upper margin entire; the vertex of the head, the sides of the pro- and metathorax with a few reddish-brown hairs. Hab. Sumatra., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on pages 27-28

160. Formica saccharivora. Formica saccharivora, Linn. Syst. Nat. i. 963.10. Fabr. Syst. Ent. 3.92. 10; Ent. Syst. ii. 356. 24. Oliv. Encycl. Meth. vi. 495. 21. Latr. Hist. Nat. Fourm. 280. Lasius saccharivora, Fabr. Syst. Piez. 417. 9. Hab. West India Islands., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 48

155. Formica senex. B.M. Female. Length 4 1/2 lines.-Opake-black: abdomen slightly shining, with an obscure aeneous tinge; the mandibles, antennae and legs ferruginous; the anterior margin of the head slightly ferruginous. Head, of the same width as the thorax, slightly excavated behind; the anterior margin of the clypeus entire; the apex of the flagellum dusky. Thorax ovate, the metathorax truncate; wings subhyaline, the nervures pale testaceous; the apical joints of the tarsi dusky; the head and thorax are delicately shagreened, have a few scattered shallow punctures, and are sprinkled with erect white hairs. Abdomen ovate; the node of the peduncle ovate, margin entire; the abdomen is thinly covered with short white hairs, the margins of the segments ciliated with longer ones. Worker. Length 3 lines.-In colour agreeing with the female. Head wider than the thorax. The thorax short, slightly narrowed posteriorly; the metathorax quadrate above and truncate behind; the scale as in the female, and the insect sprinkled with white hairs as in that sex. Hab. Rio (Constanciae) (Coll. Rev. H. Clark.), Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 47

Genus 1. FORMICA. Formica, pt., Linn. Faun. Suec. 426 (1761); Syst. Nat. i. 962 (1766). Lasius, pt., Fabr. Syst. Piez. 415 (1804). Cataglyphis, Foerst. Hym. Stud. Form. 485 (1850). Tapinoma, pt., Schenck, Besch. Nass. Ameis. 129 (1852). Monocombus,.Mayr. 110 (1855). The maxillary palpi 6-jointed; the labial palpi 4-jointed. Ocelli 3, placed in a triangle on the vertex*. Males and females winged, constantly so in the former sex, temporarily so in the latter. The superior wings with one marginal and two submarginal cells; one division having also a complete discoidal cell, another in which it is obsolete; the petiole of the abdomen furnished with a single vertical scale. None of the individuals furnished with a sting. The pupae enclosed in silken cocoons. * In a few species these are obliterated, or scarcely discernible, as in the small workers of F. flava and F. nigra, &c.

36. Formica truncata. B.M. Formica truncata, Spin. Ins. Ligur. i. 244. Duf. et Perr. Ann. Soc. Ent. Fr. ix. 49. t. 3. f. 52-55 (1840). Mayr. Form. Austr. 47. Nyl. Form. Fr. et d'Alger. 58. 10. Hab. France; Italy., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 12

158. Formica stigma. Formica stigma, Fabr. Syst. Piez. 400. 18. Hab. South America. This is probably an Odontomachus; the black stigma is characteristic of all the species, and the exserted mandibles are equally constant in that genus., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 48

56. Formica ruficornis. Formica ruficornis, Fabr. Syst. Piez. 397- 6. Hab. India., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 16

162. Formica rapax. Formica rapax, Fabr. Syst. Piez, 398. 9. Hab. South America., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 49

123. Formica nigriceps. B.M. Worker. Length 5 1/4 lines.-Pale ferruginous, with the head black, the face anteriorly and the mandibles ferruginous. The clypeus slightly produced, and widely emarginate, or rather, notched in front, its extreme anterior margin black; the antennae ferruginous. Thorax rounded in front, and gradually narrowed and compressed towards the metathorax; the scale ovate, its margin rounded; the legs elongate. Abdomen ovate; the insect thinly sprinkled with erect ferruginous hairs. Hab. Australia., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 38

135. FORMICA PURPUREA. B.M. Worker. Length 4 lines.-Head, antennae, thorax and legs, bright red with a faint purple or blue tint; sometimes with the thorax posteriorly and the legs dusky, the purple tint being more vivid; abdomen bright violet, with sometimes a coppery tinge. In form resembling F. rufa, but with the head more narrowed anteriorly; the eyes smaller and placed more forward on the head; the antennae rather longer and more slender; the thorax with a deep strangulation between the meso- and metathorax; the scale of the peduncle small, narrow, with its upper margin rounded and blunt. Abdomen ovate; the legs thinly covered with short pubescence. Hab. Melbourne., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 40

157. Formica bidens. Formica bidens, Linn. Syst. Nat. i. 964. 13. De Geer, Mem. Hist. Ins. iii. 600. t. 31. f. 1, 2. Fabr. Spec. Ins. i. 492. 24; Ent. Syst. ii. 360.42. Oliv. Encycl. Meth. vi. 497. 36. Atta bidens, Fabr. Syst. Piez. 422. 3. Hab. Surinam., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 48

91. Formica placida. Female. Length 6 lines.-Head, antennae, thorax, legs and scale of the peduncle, ferruginous; the legs and thorax beneath palest; abdomen brown-black, smooth and shining; the head scarcely wider than the thorax, both slightly shining; wings subhyaline, the nervures pale testaceous; scale of the peduncle ovate, with a deep notch above. Abdomen ovate and impunctate. Hab. Java. (Coll. East India House.), Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 27

1. FORMICA. Formica, pt, Linn. Faun. Suec. 426,1761. Lasius, pt, Fab. Syst. Piez. 415, 1804., Published as part of Smith, F., 1851, List of the specimens of British animals in the collection of the British Museum. Part VI. - Hymenoptera Aculeata., London :British Museum on page 1

98. Formica cruentata. Formica cruentata, Latr. Hist. Nat. Fourm. 116. pl. 3. f. 10 [[worker]]. Formica pilosa. Oliv. Encycl. Meth. v. 498. 39? De Geer, Ins. vii. 612. pl. 45. f. 13, 14? Hab. Africa? This species very closely resembles, if indeed it be not identical with, the F. opaca of Nylander., Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on page 30