PLATE XI. 



ODONTOEOTTHES. 

 Pelvis of Hespeeoenis EEGALIS Marsh. 



Natural Size. Page. 



Fig. 1. — Left lateral view, with left pelvic bones removed ; showing sacrum, and inner side of 



right ilium, ischium, and pubis, 69 



af — Foramen in acetabulum. 

 il — Hium. 

 is — Ischium. 

 pb — Pubis. 



Fig. 2. — Inferior view ; showing sacrum, with fourteen vertebrae in place, 69 



