SHEEP. 



23 



(0. fannini, 1070) of the Yukon is probably only a variety of the [Oases 

 White Bighorn ; and indeed it is a question whether any one of ^7 & 48 ] 

 these Sheep is more than a local race of O. canadensis. The 

 specimen of the Black Bighorn was presented by Mr. D. T. 

 Hanbury ; those of the White Bighorn by Mr. J. T. Studley ; and 

 those of the Grey Bighorn by Prince Colloredo Mannsfeld. In 

 North-east Siberia the group is represented by the long-haired 

 grey O. borealis (1855), of which a specimen presented by Mr. 

 Talbot Clifton is exhibited, and in Kamchatka by O. nwicola 

 (1056) ; both these being closely allied to the White and the 

 Black American Bighorns. 



Aryali Sheep ^ en ^ ra ^ Asia* 1 Wild Sheep known 



as Argalis differ from the Bighorns 



0. amnion, 0. hodgsoni. etc. by their strougly wrinkled homSj in 



which the oilter front angle is much more pronounced. The gland 



Fig. 6. 



below the eye is also much larger, and there is consequently a deeper [Case 46.] 

 pit in the skull for its reception. The Siberian Argali (O. ammon 3 

 1057, figs. 6 & 8) lacks the ruff on the throat characterising 



