Artistic anatomy of animals / Édouard Cuyer ; translated & edited by George Haywood.

  • Cuyer, Édouard, 1852-
Date:
1905
Catalogue details

Licence: In copyright

Credit: Artistic anatomy of animals / Édouard Cuyer ; translated & edited by George Haywood. Source: Wellcome Collection.

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    more numerous than the dorsal. These latter are almost always joined to one another by a fusion of their spinous processes ; the two or three last vertebrae are similarly united to the iliac bones, between which they are fixed. The dorsal vertebrae thus form one piece, which gives solidity to the trunk, and provides a base of support to the wings, for the movements of flying. There are, so to speak, no lumbar vertebrae, the bones of that region, which cannot be differentiated from the sacrum, having coalesced with the bones of the pelvis. Vertebræ. Cervical. Dorsal. Vulture H 7 Eagle 13 9 Cock 14 7 Ostrich 18 9 Swan 23 10 Goose 18 9 Duck 9 In reptiles, the relation between the number of the cervical vertebrae and that of the dorsal is very variable ; some serpents are devoid of cervical vertebrae, having only dorsal ones—that is, vertebrae carrying well-developed ribs. Vertebræ. Cervical. Dorsal. Lumbar. Crocodile ... 7 14 3 Caiman 7 12 5 Boa 3 248 0 Python 0 320 0 Viper 2 145 0 Regarding the direction of the vertebral column in animals, in which the trunk is not vertical, it is evident that the spinous processes point upward, and that in comparing them with those of man they must be arranged so that the superior surface of the human vertebra will correspond to the anterior