Page:EB1922 - Volume 32.djvu/30

PLATE II. Notable vertebrate fossils, complete remains of which have been discovered during the last decade. The mounts from which the photographs were taken are in the American Museum of Natural History, New York. (Illustrations reproduced by permission of the President of the American Museum of Natural History.)

FIG. i. Deinodon or Gorgosaurus, a mid-Cretaceous carnivorous dinosaur from Alberta, Canada, mounted in running position.

FIG. 2, 2a. Struthiomimus, the " ostrich mimic,' a mid-Creta- ceous browsing dinosaur, from Alberta, Canada, a toothless offshoot from the carnivorous dinosaur stock. Fig. 2 shows the complete

All the figures are

skeleton in rigor mortis, while fig. 2a represents the same skeleton partly restored from fig. 2.

FIG. 3. Diatryma, a gigantic mollusc-eating bird, from the Lower Eocene of Wyoming.

FIG. 4. Moropus, an okapi-like herbivore, from the Lower Mio- cene of Dakota, related to the chalicotheres of Europe and Asia.

FIG. 5. Pliohipfus, direct one-toed ancestor of the modern horse, from the Lower Pliocene of Nebraska.

FIG. 6. Trilophodon, direct descendant of Mastodon angustidens of Europe and North Africa, Lower Pliocene of northern Texas, on the same scale.