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This paper records the excavation of a ploughed-out round barrow (ring-ditch) at Ravenstone, Buckinhamshire (SP 8535 4895). The circular ditch (12.0 m diameter) was broken by four narrow causeways. Two graves were located at the centre of the monument. The primary grave was apparently a cenotaph, for although a coffin, an antler spatula and a flint fabricator were discovered, no skeletal material was found. The secondary grave contained the crouched inhumation of a woman, accompanied by grave goods. Finds from both graves suggest leather-working. A four-post structure (3.60 m square) may have existed on the site prior to the barrow's construction. A substantial quantity of worked flint came from the excavated area, and small pits contained flints of late Neolithic and pottery of Iron Age date. The excavation records are housed at the Buckinghamshire County Museum, as CAS 2555 in the Sites and Monuments Record, and the finds as L.301 [ABSTRACT FROM AUTHOR]

Hemoglobin Casper (beta106Leu replaced by Pro) can be separated from hemoglobin (Hb) A by isoelectric focusing on polyacrylamide gel. This abnormal hemoglobin was estimated to be 30% of teh total by both isoelectric focusing and heat lability kinetics. Its oxygen equilibrium curves indicate a high oxygen affinity, low degree of subunit interaction, and a decreased Bohr effect. Mixtures of Hb Casper and Hb A appear to bind oxygen as if no hybrid molecules exist.