The American Museum journal (c1900-(1918)) (18133076256)

Title: The American Museum journal

Identifier: americanmuseumjo05amer (find matches)

Year: c1900-(1918) (c190s)

Authors: American Museum of Natural History

Subjects: Natural history

Publisher: New York : American Museum of Natural History

Contributing Library: American Museum of Natural History Library

Digitizing Sponsor: Biodiversity Heritage Library

Text Appearing Before Image:

68 THE AMERICAN MUSEUM JOURNAL and skull, suggests that the animal was amphibious, living chiefly in shallow water, where it could wade about on the bottom, feeding on the abundant vegetation of the coastal swamps and marshes, and pretty much out of reach of the powerful and ac- tive Carnivorous Dinosaurs which were its principal enemies.

Text Appearing After Image:

F:Q. 4. RESTORATION OF BRONTOSAURUS. BY CHARLES R. KNIGHT This restoration represents Professor Osborn's view of the habits of the animal The water would buoy up the massive body and prevent its weight from pressihg too heavily on the imperfect joints of the limb- and foot-bones, which were covered during life with thick cartilage, like the joints of whales, seals and other aquatic ani- mals. If the full weight of the animal came on these imperfect joints, the cartilage would yield and the ends of the bones would grind against each other, thus preventing the limb from moving without tearing the joint to pieces. The massive, solid limb- and foot-bones weighted the limbs while immersed in water, and served the same purpose as the lead in a diver's shoes, enabling the Brontosaurus to walk about firmly and securely under water. On the other hand, the joints of the neck and back are ex- ceptionally broad, well-fitting and covered with a much thinner

brontosaurus life restorations charles r knight internet archive document americanmuseumjo 05 amer the american museum journal 1905 the american museum journal zoology book illustrations natural history american museum of natural history dinosaurs paleontology images from internet archive

1905

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