Elements of comparative zoology (1904) Elements of comparative zoology elementsofcompar1904king Year: 1904 FIG. 142.—Brain of Snake, c, cerebrum; d, cerebellum; o, optic lobes; I, olfactory nerve; II, optic nerve. lizards and alligatois, but none occurs in turtles or snakes. The skull articulates with the vertebral centrum by a single surface (condyle). The hinder angle of the lower jaw is connected with the skull by the quadrate bone, which may be free (fig. 143), or firmly united to the skull; and the FIG. 143.—Skull of Garter-snake (Eutoenia sirtalis}, showing the attachment of the- low
Elements of comparative zoology (1904) Elements of comparative zoology elementsofcompar1904king Year: 1904 FIG. 142.—Brain of Snake, c, cerebrum; d, cerebellum; o, optic lobes; I, olfactory nerve; II, optic nerve. lizards and alligatois, but none occurs in turtles or snakes. The skull articulates with the vertebral centrum by a single surface (condyle). The hinder angle of the lower jaw is connected with the skull by the quadrate bone, which may be free (fig. 143), or firmly united to the skull; and the FIG. 143.—Skull of Garter-snake (Eutoenia sirtalis}, showing the attachment of the- lower jaw to the skull by means of the quadrate bone, q. (Slightly enlarged.) premaxillary and maxillary bones are firmly united to the rest of the skull. Teeth are usually present, and in the alligators these are inserted in sockets. The shoulder- girdle (lacking in snakes) is much like that of frogs, the clavicle, however, being absent in alligators. The pelvis
Size: 2086px × 959px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage
