PLATE II. 

 Triassic Dinosaurs. — Theropoda. 



ANCHISAURID.E. 



Paga 

 Fig. 1. Skull of Anchiaaurns colurus Marsh; side view; one-half natural size. 148 

 a, nasal opening; b, antorbital opening; c, lower temporal fossa; d, upper 

 temporal fossa; o, orbit; q, quadrate. 

 Fig. 2. Bones of left fore leg of same individual; outside view; one-fourth 



natural size 149 



c, coracoid; h, humerus; )■, radius; s, scapula; u, ulna; I, first digit; T", 

 fifth digit. 

 Fig. 3. Bones of left hind leg of same individual; outside view; one-fourth 



natural size 149 



a, astragalus ; c, caleaueum ;/. femur: /, fibula; il, ilium; is, ischium ; p, 

 pubis; /.tibia; /, first digit ; V, fifth digit. 

 L'48 



