PLATE XLII 



Described 

 on Page 



Fig. 1. Efioreodon socialis Marsh. Skeletal aspect. CT. Cat. No. 

 13119 Y.P.M., with skull of CT. Cat. No. 13118 Y.P.M. 

 (After Thorpe, 1921.) 86 



Fig. 2. Same as Fig. 1. Flesh restoration by Professor Lull. 



One-seventh natural size 



394 



