SYNAPSIS OF THE VEUtTEBRATE FAUNA OF THE PUEKCO SERIES. 361 



PLATE V. 



Figs. 1-6. Iltmiganiit otariideiii, parts of specimen figured on preceding plate, natural size. 



Fig. I. Ulna of right side, from within ; a, from above. 



Fig. 2. Prosimal extremity of radius from below ; a, proximal view. 



Fig. 3. Lefl femur, proximal half, from behind ; a, external view. 



Fig. 4. Distal half of right tibia, from front ; «, from external side ; b, distal extremity. 



Fig. 5. Metacarpus of poUex, exlernoanterior view ; a, internal view ; b, edge view. 



Fig. 0. Mctapodial, froiu side ; fl, from front ; b, from behind. 



Fig. 7. Ungual phalange, side view ; a, proximal extremity ; b, from above; c, from below. 



Fig. 8. Onyehodectes tisonensis Cope ; maxillary bone of right side, with four molars, from below, } natural size ; typi- 

 cal specimen ; a, the same from the palatal side. 



Fig. 9. Left mandibular ramus of the same species, natural size, broken, external side ; a, crown of second true 

 molar seen from above, J natural size. 



Fig. 10. Ifeoplagiuulax moleitus Cope, fourth inferior premolar, external view, natur.il size ; a, the same from above. 



Fig. 11. Neoplagiaulax molesttit, left mandibular ramus, with roots of fourth premolar only, external view ; natural 

 size. 



