PLATE XVI. 

 Jurassic Dinosaurs. — Sauropoda. 



Atlantosaurid.k. 



Pago. 

 Fig. 1. Left pubis and ischium of Atlantosaurus immanis Marsh; outer view; 



one- twentieth natural size 166 



/, foramen in pubis; is, ischium; p, pubis. 

 Fig. 2. Left femur of Atlantosaurus immanis; inner view; one-sixteenth natu- 

 ral size 166 



2a, proximal end. 



Fig. 3. The same bone; front view; one-sixteenth natural size 166 



3a, distal end. 



c, inner condyle; c', outer condyle; /, groove for fibula; h, head; (, tro- 

 chanter; (', inner trochanter. 

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