416 



LEPUS. 



B. Silvilagus. 



"Interparietal persistent as a distinct bone in adults; rostrum 

 wider than high ; skull and teeth light ; postorbital process united with 

 cranium behind, inclosing a narrow foramen; upper surface of skull 



FIG. 80. LEPUS ISILVILAGUSI F. SUBCINCTUS. 



No. 8678 Field Columbian Mus. Coll. Nat. size. 



less pitted; skull sometimes wider than half its length, much arched; 

 pelage softer." 



