PLATE XXXVI. 



Jurassic Dinosaurs. — Sauropoda. 



MOROSAURID.E AND ATLAXTOSACRID.E. 



Paga 

 FlG. 1. Pelvis of Morosatirus lentus Marsh; seen from the left; oue-eighth 



natural size 183 



Fig. 2. Pelvis of Apatosaurus ajax Marsh; seen from the left; one-sixteenth 



natural size 166 



a, acetabulum; /, foramen in pubis; il, ilium; is, ischium; p, pubis. 

 316 



