Sa 
GEOLOGY, PL. Ill. 
FIELD COLUMBIAN MUSEUM. 










Z : ae i . = Gs Bc Ub a (Pee ; y 
SS ae eS => ELE 


SIDNEY PRENTICE, DEL. 
f 
C Fig. 2, 
m 
iF my) 

m 
faces celanrcea rata RAMAN (AQ a ay ree (eA 

itr mae oe ; -ang 
an A 
ee Ee oe Se wae ~ SKULL OF DOLICHORHYNCHOPS OSBORNI. ~~ 
