Medical and physical researches, or, Original memoirs in medicine, surgery, physiology, geology, zoology, and comparative anatomy . rought to view; it consistsof a considerable portion of the upper jaw of the rightside, containing four teeth more or less fractured, togetherwith the sockets of two others; these, like most of thebones, are of a light brown colour slightly tinged withred ; they are so extremely brittle, and so intimately con-solidated and incorporated with the rock, as to rendertheir separation almost impracticable. That portion ofthe palate bone remaining is nearly on a level wi


Medical and physical researches, or, Original memoirs in medicine, surgery, physiology, geology, zoology, and comparative anatomy . rought to view; it consistsof a considerable portion of the upper jaw of the rightside, containing four teeth more or less fractured, togetherwith the sockets of two others; these, like most of thebones, are of a light brown colour slightly tinged withred ; they are so extremely brittle, and so intimately con-solidated and incorporated with the rock, as to rendertheir separation almost impracticable. That portion ofthe palate bone remaining is nearly on a level with thealveoles; the side of the jaw presents a doubly concavesurface, that is, concave from above downwards, and frombefore backwards; the superior border is convex posterior-ly, and slightly concave before: this bone is unusuallythin, and at the alveoles barely sufficient to accommodatethe roots of the teeth. PI. 24, fig. 2, displays these por-tions : A, the palate bone; B, the thickness of the sideof the maxilla. The teeth present a remarkable structure, and as far asmy observations go are peculiar to the present species: %.


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Keywords: ., bo, bookcentury1800, booksubjectmedicine, booksubjectpaleontology