. An introduction to zoology : for the use of high schools . Fig. 85—Restoration of Ichthjosauru8. i^. 25. Among the fossil orders are likewise forms which attaineda huge size, whose limbs, moi-e lizard-like in form (Sauropoda),attest to a terrestrial or amphibious life, but whose teeth indicatethat they were herbivorous animals feeding either on aquaticor marsh plants or on the forest vegetation. (Fig. 86.) Some. ^*tft«Utn=~ Fig. 86—Kestoration of Brontosauras.(After Marsh). of them (Atlantosaurus) measured 100 feet in length by 30 inheight, the locomotion of such enormous masses being onlyre
. An introduction to zoology : for the use of high schools . Fig. 85—Restoration of Ichthjosauru8. i^. 25. Among the fossil orders are likewise forms which attaineda huge size, whose limbs, moi-e lizard-like in form (Sauropoda),attest to a terrestrial or amphibious life, but whose teeth indicatethat they were herbivorous animals feeding either on aquaticor marsh plants or on the forest vegetation. (Fig. 86.) Some. ^*tft«Utn=~ Fig. 86—Kestoration of Brontosauras.(After Marsh). of them (Atlantosaurus) measured 100 feet in length by 30 inheight, the locomotion of such enormous masses being onlyrendered possible Ijy the fact that the skeleton was extremelyli<jrht, the bones being filled with air. The Sauropoda were<»/ithout the protection of an exoskeleton, whereas Stego 118 HIGH SCHOOL ZOOLOGY. saurns liad bony shields in the skin and projecting horns fromthe back wliiuh must have afforded a very comiilcte defensivearmour. Tiiis genus also is iiateresting from the fact that thefore legs were shorter than the hind, and consequently that thelatter along with the tail supported tlie weight of the body. Atransition is thus afforded to the Ornithopoda or bird-footedDinosaurs, a remarkable group, of whicli the best known is thegenus Iguanodon of the Cretaceous period. (Fig. 87.) Recent
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1889
