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This disease is evinced by simple inflammation of gums around the teeth, followed by chronic inflammation with or without suppuration, with or without calcic deposits, a gradual destruction of the peridental membrane, with recession and absorption of the alveolar process and gums, concluding with loosening and exfoliation of the teeth. The physician is more familiar with this disease, as it appears to him as a consequence of scurvy, mercurial or iodid salivation.Few diseases have received as many names as that under discussion. More time has been spent in apology for and discussion of new names than in original research as to its etiology. The term pyorrhea alveolaris, which has become so popular, and which I have selected for the title of this paper, does not elucidate the exact condition, since many cases which come to the dentist do not suppurate.Riggs's disease seems a more appropriate title, since to

The mutuality of interest involved in their studies of the degenerate classes, has led the authors of this paper to combine their observations in a joint paper. This paper, however, is too lengthy for presentation to this Section. We have, therefore, abridged the subject-matter as far as possible, with the view of presenting only the most important features of the essay, reserving its complete publication until some future time.The present paper comprises a portion of an address upon "The Skulls of Criminals," with cuts of the more important specimens, delivered by Dr. Lydston, at the meeting of the Mississippi Valley Medical Association, September 11, 1890, together with some of Dr. Talbot's studies of the jaws of the degenerate classes, and deductions drawn from an extensive series of cooperative studies of criminals. No attempt has been made to formulate an arbitrary theory regarding the crime class. Indeed, it is the

The subject of the etiology of irregularities of the teeth is so comprehensive and so replete with points of interest, that it is obviously impossible for one to enter into minutiæ within the limits of a single paper. I have therefore deemed it best to prepare a series of papers, in which an attempt will be made to present in an intelligible manner the conclusions formed during an extensive experience in the examination and study of the mouths of strong and well constituted persons, of the mouths of the insane, idiotic, deaf and dumb, and blind, and of models of various deformities of the jaws and teeth. In the present paper—the first of the series—attention will be given to such irregularities as are developed coincidently with the growth of the skeleton; these being, as is well known, chiefly connected with the superior maxilla.Irregularities of the teeth may be classed

The following autopsy was made on an old man, in whose case the pathologic diagnosis was as follows: Senile marasmus (senile emphysema, senile sclerosis of the aorta, atrophy of the parenchymatous organs), scurvy (hemorrhagic gingivitis); chronic aortic and mitral endocarditis; fibrous myocarditis; chronic nephritis; caseo-calcareous areas in the right apex, spleen and left adrenal; double hydrothorax; bronchitis; fibroma of the stomach; amputation of the left lower extremity at the lower third of the thigh. The findings unrelated to the scope of the present investigations are omitted. The gums were found swollen, and here and there infiltrated with blood. There was purulent matter about the roots of the teeth, many of which were loosened and some of which could be removed with the fingers. The roots of the loosened teeth were covered with a granular, grayish material.Only the lower frontal teeth and corresponding part of the jaw could be examined.

TO THE EDITOR OF THE JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION: I would like to present to the profession through the columns of the Journal an exceedingly interesting case of mal-assimilation of the phosphates and carbonates.The patient is 13 years of age, of very nervous temperament, and has incontinence of urine. At home she is constantly doing things that she ought not to do. She goes to school and learns her lessons apparently without much effort. She eats and sleeps well, partaking largely of meat, but does not care for milk.The condition of her mouth is as follows, and seems to the writer to offer a solution of the trouble: The teeth were covered completely by tartar, and the enamel was easily scraped off. When the tartar was removed the little girl seemed to be in great agony. The teeth would ache, sometimes in one tooth and sometimes