PLATE III. 



Pleistocene Bears (U. arctos). 

 Cranium. 

 (One third natural size.) 



Fig. 



1. 



Dorsal 



o. 



Lateral 



3. 



Ventral 



a. Post-orbital process of frontal. 



b. Occipital condyle. 



c. Post-orbital process of jugal. 



d. Mastoid process of periotic. 



e. Anterior palatine foramen. 



/. Post-glenoid process of squamosal. 

 g. Post-glenoid foramen. 

 h. Infra-orbital foramen. 

 i. Lachrymal foramen. 

 This specimen, which is preserved in the British Museum (Nat. Hist.), was 

 found near Ballinamore, co. Leitrim. It is referred to as U. ferox fossilis by 

 Busk, 'Phil. Trans.,' clxiii, p. 543 (1873), and Leith Adams, * Trans. Roy. Irish 

 Acad.,' xxvi, p. 225 (J87 ( .»). 



