TRUE] NEW SEA—LION FROM MIOCENE OF OREGON 49 
Distance from the occipital condyles to the posterior end of the 
hard palate nearly equal to the mastoid breadth of the skull. Oc- 
cipitomastoid processes widely divergent, compressed laterally, 
nearly plane internally. External wall of the ascending plate of the 
palatines thickened, forming a strong rounded ridge. Posterior 
nares as broad as deep. 
Type.—No. 3,792, U. S. N. M. (Vert. Pal.). Empire Beds 
(Miocene) of Empire City, Oregon. Collected by B. H. Cammann. 
