PLATE LIV. 

 Jurassic Dinosaurs. — Predentata. 



CAMPTOSAURIDJi. 



Page. 

 Fig. 1. Left fore leg of Camptoaauriia diapar Marsh; outer view; one- twelfth 



natural size 196 



c, coracoid; h, humerus; r, radius; s, scapula; u, ulna; /, first digit; V, 

 fifth digit. 

 Fig. 2. Left hind leg of same species; outer view; one-twelfth natural size .. 199 

 a, astragalus ; c, calcaneum; /, femur; /', fibula; il, ilium; is, ischium; p, 

 pubis; }>', postpubis; t, tibia; /, first digit; IVmt, fourth metatarsal. 

 Fig. 3. Posterior sacral vertebrae of Campto8aurns diapar; showing peg-and- 



uotch articulation; top view ; one-fourth natural size 197 



o, anterior end; p, posterior end. 

 Fig. 4. Sacral vertebra of same individual; seen from the left; one-sixth nat- 

 ural size t 197 



Fig. 5. The same vertebra ; front view; one-sixth natural size 197 



a, anterior face for transverse process; b, posterior face. 

 352 



