298 THE SHEEP AND ITS COUSINS 



general colour being slaty grey. Further remarks 

 on the colouring of this Kamchatkan bighorn are 

 recorded below. The largest pair of horns known 

 measure 39^ inches in length, with a basal girth of 

 14J inches, and a tip-to-tip interval of 28^ inches. 

 White bighorns have been stated to occur in Kam- 

 chatka, but apparently on erroneous evidence. 



Till the year 1902, when I had the opportunity 

 of describing^ a specimen brought home by Mr. 

 Talbot Clifton from the north-western end of the 

 Verkhoyansk Mountains, forming the watershed be- 

 tween the valleys of the Yana and Lena, in Northern 

 Siberia, little or nothing was known in England of 

 the second Asiatic representative of the bighorn. 



In the article to which reference has just been 

 made, it is pointed out that Clifton's bighorn, as the 

 Yana race has been called, appears to have been 

 first described by Severtzow^ in 1873, under the 

 name of Ovis borealis. His description, which is 

 brief and by no means satisfactory, is in Russian, 

 but a translation in German was given by Professor 

 Peters* in 1876. The description is as follows: — 

 " The specimens of this sheep, which were given by 

 Mr. Schmidt to the Museum of the Academy of 

 Sciences at Moscow, were obtained from the moun- 

 tains and highlands of the Pjasina [Piasina] and 



' Proc. Zool. Soc, 1902, p. 83. 



^ Trans. Soc. Moscow, vol. viii. art. 2, p. 153, 1873. 



' Monatsber. Ak. Berlin, 1876, p. 180. 



