. Outlines of zoology. AtheC/E. Vertebrse and ribs free from carapace. Skullwithout descending processes from parietals. Sphargidse, leathery-skinned turtles, with flexible carapace. Sphargis(Dermatochelys) coriacea, the only living species, the largest modern 618 REPTILIA. Chelonian, sometimes measuring 6 ft. in length. It is widely, butnow sparsely, distributed in intertropical seas, and is said to be herbi- II. vertebrae andribs fused in thecarapace. Parietalsprolonged down-wards. Includingthe following andother families:— Chelonidse, marineturtles, with fin-like feet,and
. Outlines of zoology. AtheC/E. Vertebrse and ribs free from carapace. Skullwithout descending processes from parietals. Sphargidse, leathery-skinned turtles, with flexible carapace. Sphargis(Dermatochelys) coriacea, the only living species, the largest modern 618 REPTILIA. Chelonian, sometimes measuring 6 ft. in length. It is widely, butnow sparsely, distributed in intertropical seas, and is said to be herbi- II. vertebrae andribs fused in thecarapace. Parietalsprolonged down-wards. Includingthe following andother families:— Chelonidse, marineturtles, with fin-like feet,and partially ossifiedcarapace. They occur inintertropical seas, andbury their soft-shelledeggs on sandy green turtle (Cheloneviridis) is much esteemedas food ; the hawks-billturtle (Caretta imbricata)furnishes much of thecommercial tortoise-shell. Testudinidae, land tor-toises, with convex per-fectly ossified carapace,and feet adapted forwalking. They are foundin the warmer regions ofboth the Old and the New. Fig. 335.—Internal view of tortoise skeleton. humerus; SC.^ scapula running dorsally; PC, firecoracoid; C,coracoid; £C., epicoracoid carti-age; P., pubis; IL.^ ilium running dorsally tosacral vertebrae ; IS.^ ischium; DV., dorsal verte-bra fused in -carapace ; R.^ bead of a rib; CEV.^cervical vertebrge free; CA V., caudal vertebra free. World, but not in Australia. Indiet they are vegetarian. Thecommon tortoise (Tesitido gmca)and the nearly exterminated gianttortoises of the Mascarene andGalapagos Islands are good repre-sentatives. The latter may reachthe age of 150 years. Order Rhynchocephalia
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Keywords: ., bookcentury1900, bookdecade1910, bookidcu3192, booksubjectzoology
