a ow 
0. C. Marsh—On Dinosaurian Reptiles. 489 
One- 
FIGURE 9.—Pelvis of Ceratosaurus nasicornis, Marsh; seen from the left. 
twelfth natural size. Letters as in figure 8. 
FIGURE 10.—United metatarsal bones of Ceratosaurus nasicornis ; left foot; front 
view. One-fourth natural size. 
FIGURE 1].—United metatarsal bones of great Penguin (Aptenodytes Pennantii, 
G. R. Gr.); left foot; front view. Natural size. 
