Vol. XVII, pp. 153-156 October 6, 1904 



PROCEEDINGS 



OF THE ^^' 



BIOLOGICAL SOCIETY OF WASHINGTON/.. 



'^ 



FOUR NEW BEARS FROM NORTH AMERICA. 

 BY C. HART MERRIAM. 



Notwithstanding the large number of bears already known 

 from North America, four more appear to require recognition . 

 Three of these are from Alaska ; the fourth is a small form of 

 the Black Bear from the desert mountains of eastern Mexico. 



Ursus eulophus sp. nov. 



Tif]^e from Admiralty Island, ?outhea8tern Alaska. No. 81,102. Adult 

 male. U. S. National Museum, Biological Survey Collection. 1896. Lieut. 

 G. T. Emmons. 



Charncters. — Size large, equaling the Sitka bear; color said to be very 

 dark brown. Sagittal cre.st remarkably high anteriorly ; frontals extraor- 

 dinarily elevated posteriorly ; rather narrow interorbitally ; frontal shield 

 long and high and in a single flat plane sloping strongly upward from an- 

 terior third of nasals almost to fronto-parietal suture (not decurved poste- 

 riorly) ; braincase narrowed and compressed anteriorly, passing gradually 

 into sagittal crest ; rostrum rather narrow (as in h.orribiUs, as contrasted 

 with the broader sitkensis) ; maxillfe long, reaching back into frontals to 

 beyond plane of nasals ; interpterygoid fossa long and narrow ; molars 

 larger than in the grizzlies, fully as large as in i^itkenitifi ; lower carnassial 

 slender, especially anteriorly ; m^ narrower and less rectangular than in 

 sitkensis; last lower premolar smaller and thinner than in sitkensis ; incisors 

 small, as in horribilis (very nmch smaller than in sitkenm, particularly the 

 outer incisor). 



28— Proc. Bioi,. Soc. W.iSH. V(M.. XVII, 1904. fl53) 



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