PLATE LV. 



Jurassic Dinosaurs. — Predentata. 



Camptosaurid.e and Laosaurid.e. 



Page. 



Fig. 1. Lower tooth of Laosaurua consort Marsh ; natural size 199 



a, outer view; b, posterior end view; c, inner view. 

 Fig. 2. Left fore leg of Camptoaunrua nanus Marsh; outer view; oue-fourth 



natural size 196 



c, coracoid; ft, humerus; r, radius; s, scapula; it, ulna; I, first digit; V, 

 fifth digit. 

 Fig. 3. Left hind leg of Laosaurus conaora; outer view; one-sixth natural size. 199 

 Fig. 4. The same of Drijoaaurua alt its Marsh; outer view; one-eighth natural 



size '. . 198 



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

 p, pubis; p', postpubis; t, tibia; I, first digit; IV, fourth digit; IVmt, 

 fourth metatarsal; V, fifth metatarsal. 



354 



