. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 134 Zoological Society:— The upper jaw has sixteen small teeth, and the lower jaw seventeen, on each side, there being no vestige of an alveolar ridge behind them in either jaw. The first teeth are smaller and conical, the hinder broader and truncated, as seen in figures 3 & 4. This is another cha- racter distinguishing it from the European species; the skull of a young individual of the latter, which I examined, had twenty-four teeth in the upper jaw, and twenty-five in t
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 134 Zoological Society:— The upper jaw has sixteen small teeth, and the lower jaw seventeen, on each side, there being no vestige of an alveolar ridge behind them in either jaw. The first teeth are smaller and conical, the hinder broader and truncated, as seen in figures 3 & 4. This is another cha- racter distinguishing it from the European species; the skull of a young individual of the latter, which I examined, had twenty-four teeth in the upper jaw, and twenty-five in the lower, in both extending more towards the hinder part of the jaw than in the new species. The specimen of P. spinipinnis which is preserved in the public Museum of Buenos Ayres, was captured in the mouth of the River Fig. Skull of Phoccena spinipinnis, seen from above, reduced one-third. Plata, and was afterwards exhibited in Buenos Ayres to the public, some years before I came to this country. Length of the whole skull, 29 centim. Breadth between the orbits, 1 7 centim. Length of the external margin of the upper jaw, 12 centim. ; of the lower jaw, 22 centim. Note.—The tympanic bone is lost; the figure is therefore defective in this part. On the Osteology of Microglossa Alecto. By W. K. Parker, Having been busy of late with the study of the skull and its development in the Ostrich tribe, I am the more sensitive to the peculiar ornithic excellences of the Parrot family. Indeed, but for their liver]/, it could hardly have been supposed that these opposite. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London, Taylor and Francis, Ltd
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