PLATE LXXX. 



ISCHIA OF PrEDBNTATE DINOSAURS. 



Paga 

 Fig. 1. Ischia of Camptosaurus mediue Marsh; superior view ; one-eighth nat- 

 ural size 228 



la, distal ends of same. 

 FlG. 2. The same hones of Dryosaurut altus Marsh; superior view; one-fifth 



natural size 228 



Fig. 3. The same of Claosaurun an nectens Marsh; inferior view; one-sixteenth 



natural size 228 



Fig. 4. Ischia of Triceratopsprorsits Marsh; superior view; one-twelfth natural 



size 228 



Fig. 5. The same bones of Stegosanrus ungulatus Marsh; superior view; one- 

 tenth natural size 228 



5<i, distal ends. 



il, face for ilium; pb, face for pubis. 

 404 



