1898.] NATURAL SCIENCES OF PHILADELPHIA. 125 



as compared with the characters of the L. lynx (L.) of Europe. I 

 am unable to state au opinion as to the specific value of isabellinus 

 but the fact of specific identity among the several forms of Lynx 

 ruffus found across the northern continent of America, and their 

 close resemblance to L. lynx of Eurasia, suggests that isabellinus is 

 only an eastern race of that species, characterized by fewer and 

 weaker spots, more naked foot pads and paler color. The specimen 

 was killed June 17th. 



