PLATE LVIII. 



Cretaceous Dinosaurs. — Theropoda. 



ORNITHOMIMIDjE. 



Pago 



Fig. 1. Left tibia of Urnithominms velox Marsh 204 



A, front view; B, distal end ; C, transverse section. 



Fig. 2. Left metatarsals of same specimen 204 



A, front view ; B, proximal ends; C, transverse section ; D, distal ends. 



Fig. 3. Phalanges of second digit of same foot; front view 205 



A, first phalanx; /;, second phalanx; C, third, or terminal, phalanx. 

 Fig. 4. Left metacarpals of same species, perhaps of smaller individual; front 



view 205 



All four figures are one-third natural size. 



Fig. 5. Left tibia of young ostrich (Slruthio camelus Linn.) 204 



A, front view; 7>, distal end. 



Fig. 6 Left metatarsals of young turkey (Meleagris galUpavo Linn.) 204 



A, front view ; B, proximal ends. 

 Last two figures are one-half natural size. 



a, astragalus; as, ascending process of astragalus; c, ealcaneum; /, fibula; 

 /', face for fibula; //, second metatarsal; ///, third metatarsal; IV, 

 fourth metatarsal. 



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