14 



NEBRASKA ORNITHOLOGISTS' UNION 



Fig. 21— Ceratosaurus. Fig. 22— Brontosaurus. Fig. 23— Triceratop 



Fig. 24— Stegosaurus. Fig. 25— Camptosaurus. Fig. 26— Iguanodon. 



Fig. 27 — Dinornis. 



Fig 30— Hesperornis. 



Fig. 28— Emeu. 



Fig. 31— Fowl. 



O 



Z^ 



Fig. 29— Ostrich. 



Fig. 32 — Lizard. 



Fig. 33-Alligator. Fig. 34— Ornitliostoma. Fig. 35— Cycnorliamphus. 



Pelvic bones of Reptiles and Birds sliowing close structural relationship. II, ilium; 

 Js, ischium; P, pubis; P/J, post pubis. i. „ /w;„ 



Dinosaurs (Figs. 21 to 26), birds (Figs. 27 to 31), lizard (Fig. 32), alligator (tig. 

 33), pterosaurs (Figs. 34 to 35). 



