lOS 



THE ARCTIC FOX. 



CANIS LAG OP US. 



Canis lagopus, Linncus, Syst. Nat. 12th edit. vol. i. p. 59 (irGG); 

 Schrcl)er, Saugtliierc, Theil iii. p. 2G2, pis. 93 and 93*; 

 Shaw, General Zoology, vol. i. p. 32(5 (18(X)) ; Desmarest, 

 ]\Iammalogie, p. 202 (1820) ; Tilesius, Nov. Acta Pliys.- 

 Med. Acad. Ca;sar. Leopold. -Carolinie, vol. xi. |). 37."» 

 (1823); Pallas, Zoographia, vol. i. p. 51 (1831) ; Sabine, 

 Supplement Parry's First Voyage, p. 187; Ilarlau, 

 Fauna Americana, p. 92 (1825) ; Wagner, Snp[)lcm. 

 Sehreber's Siiugth., Abth. iii. p. 126 ; Middcndorlf, llcise 

 aussersten Norden u. Oston Sibirieus, Bd. ii. Tli. ii. p. 73 

 (1851). 



Cams isatis, Gmclin, Nov. Com. Petrop. vol. v. p. 358. 



Canis ( Vulpes) layopus, Richardson, Appendix to Capt. Parry's Journal 

 of Lis Second Voyage, p. 299 (1825) ; id. Fauna Boreali- 

 Amerieana, vol. i. p. 83 (1829). 



Vulpes lagopus, Audubon & Baehman, Quadrupeds of N. Amer. vol. iii- 

 p. 89, pi. 121 (1820) ; Baird, iMammals North America, 

 p. 137 (1857) ; Fischer & Pclzcln, Internationale Polar- 

 forsehung, p. 128 (Vienna, 188G). 



Leucocyon lagopus, Gray, Proc. Zool. Soc. 18G8, p. 521 ; id. Cat. Carni- 

 vorous Mammalia, p. 208. 



Renard blanc, Buffon, ni>t. Nat. Supplcm. vol. vii. p. 218, pi. 51 

 (1789). 



L' Isatis, F. Cuvicr, Hist. Nat. des Mammiferes, vol. ii. (two plates). 



After the doubts and difficulties we liave now so many times encoun- 

 tered in endeavouring to determine whether various forms hereinbefore 

 considered were or were not distinct species, it is refreshing to come 

 upon one which stands out in unmistakable distinctness and, indeed, 

 in marked isolation. Not only in coloration and various details of 

 external form, not only in peculiarities of cranial conformation, not 



