. Principles of zoölogy : touching the structure, development, distribution, and natural arrangement of the races of animals, living and extinct with numerous illustrations : Part 1, Comparative physiology : for the use of schools and colleges. OF DIGESTION. 105 fcu-)d ; some using them merely for seizing and securing theirprey, as the lizards, frogs, crocodiles, and the great majorityof fishes. In such animals, the teeth are nearly all alike inform and structure, as for instance, in the alligator, (Fig. 71,)the porpoises, and many fishes. A few of the latter, some of

---

Size: 1955px × 1278px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1860, booksubjectp, booksubjectzoology