464 



MESOZOIC EKA— AGE OF REPTILES. 



The Theropoda included, among foreign representatives, the Me- 

 galosaur and Scelidosaur, already figured (p. 442), and also several 



.1 .-•••. 



Fig. 748.— 1. Bones of left fore-leg of Camptosaurus dispar (after Marsh) : s, scapula; c, coracoid; h, 

 humerus; r, radius; u, ulna; I, first digit; V. fifth digit. 2. Bones of left hind-leg of Campto- 

 notus dispar : il, ilium; is, ischium; /;, pubis; /;', post-pubis; /, femur; t, tibia;/', fibula; a, 

 astragalus; c, calcaneum; /, first metatarsal; IVmt, fourth metatarsal. Both figures one-twelfth 

 natural size. 



American genera. They were four- to five-toed, digitigrade, and bipe- 

 dal. This is shown by the disparity in size of hind and fore limbs. 

 They were carnivorous. 



The Omithopoda included, among foreign representatives, the Igu- 

 anodon and Compsognathus, already figured (pp. 441 and 443), together 



