V. S. GEOLOGICAL SURVEY 



MONOGRAPH 55 PLATE LXXVIIl 



m 



SKULLS AND JAWS OF METARHINUS 



: Riggs- see p. 421.) One-fourth natural size. A. Metarhinus criAatus, type (Field ^us. 12194). -Upper Meta.Wm.s beds WWte River 

 '•• B M Lr ei referred (Field Mus. 12187), "Upper MetdrHinu. beds," level Uinta B 1. C, M. r^ar^us, type (Field Mus. 12186). D, M . 

 ear^.. ;eferredYowe: I^ (F^eld Mus. 12178), "Upper Met...i.u. beds." Uinta Basin, level Uinta B 1^ E, M. ..p..^.. referred lower ,aw (Field 

 Mus. 12195). "Upper Metarhinus beds." Uinta Basin, level Uinta B 1. side vievir, drawing reversed; W, the same, top view 



After E, 

 Cany 



