itINOCERATA. 

 Feet of DiNOCERAS mirabile, Marsh. 



One-half Natural Size. Pii"-e. 



Fi(j. 1. — Mamis, or fore foot (left), ..- 101 



s ■ — Sciplioid. 

 I — Lunar. 

 p — Pyramidal. 

 tm — Trapezium. 

 f)- — Trapezoid. 

 /i(n — Unciform. 

 I — First digit, or pollcx. 

 // — Second digit. 

 7/i— Third digit. 

 7 F— Fourth digit. 



V —Fifth digit. 



Fig. 2. — Pes, or hind foot (left), . ., _ 145 



a — Astragalus. 



c — Calcaneum. 



cb — Cuboid. 



n — Navicular. 



en — Entocuneiform. 



I — First digit, or hallux. 



7Z — Second digit. 



777— Third digit. 



7r— Fourth digit. 



V —Fifth digit. 



