. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 234 Mr. R. Broom on the the nostril, but two of the American Museum specimens seem to indicate that the opening extends somewhat inwards and forwards, and one would like to see a specimen showing the perfect snout to feel quite sure that this opening is the nasal opening and not perhaps also an opening for some sensory organ. There is a small premaxilla—possibly toothed. It is figured by v. Huene. The maxilla is slender and carries about ten teeth. Its posterior end articulate
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 234 Mr. R. Broom on the the nostril, but two of the American Museum specimens seem to indicate that the opening extends somewhat inwards and forwards, and one would like to see a specimen showing the perfect snout to feel quite sure that this opening is the nasal opening and not perhaps also an opening for some sensory organ. There is a small premaxilla—possibly toothed. It is figured by v. Huene. The maxilla is slender and carries about ten teeth. Its posterior end articulates, I believe, with the palatine. It forms the floor of the nasal opening Fig. 1. Pmxi. Restoration of the underside of skull of Lyaorophns tricarinatus, Cope, x 5. and perhaps its posterior border. The doubt lies in the fact that in the specimens it is impossible to be quite sure whether the bridge of bone which connects the prefrontal with the maxilla is a part of the prefrontal or a part of the maxilla or a small independent bone. One specimen shows most of the palate. The bones are a little crushed and fractured, and the interpretation I give is made with some hesitation (fig. 1). Von Huene figures the specimen, but his interpretation differs somewhat from mine,. 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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