122 CATALOGUE OF UNGULATES 



Ovis canadensis borealis, Lydeklter, Proc. Zool. Soc. 1902, vol. ii, 

 p. 84, pi. viii, The Sheep and Its Cousins, p. 298, 1912 ; Ward, 

 Records of Big Game, ed. 6, p. 397, 1910. 



Typical locality apparently Verkhoyansk Mountains, 

 between Yana and Lena Valleys ; Matschie gives Byrranga 

 Mountains, south of Taimyr Peninsula, between Lena and 

 Yenisei Valleys. 



Closely related to last, but ears, which are very thickly 

 haired, rather larger, as is also the rump-patch, although 

 this does not include the short, bushy tail, or extend on 

 the buttocks above the line of its root; general colour 

 lighter; face white, with a broad wood-brown trans- 

 verse band between eyes and nostrils, spreading on to 

 cheeks ; nape white mingled with grey ; a faint dorsal stripe, 

 becoming more pronounced as it approaches the blackish 

 brown tail. Eather more white on under-parts and legs 

 than in nivicola. 



2. 4. 26. 2. Skin, mounted. Yana Valley. Figured by 

 present writer, Proc. Zool. Soc., loc. cit. 



Presented ly J. Talbot Clifton, Esq., 1902. 



91. 6. 29. 8. Skull, with horns. Stanovoi Mountains, 

 East Siberia ; collected by Messrs. Dorries. Purchased, 1891. 



P. Ovis canadensis alleni. 



Ovis alleni, Matschie, in Niediec'k's KreuzfaJirten im Beringmeer, 

 p. 236, 1907, English Translation, p. 226, 1909 ; typified by head 

 figured by Allen, Bull. Amer. Mus. Nat. Hist. vol. xx, p. 295, fig. 3. 



Typical locality Taiganos Peninsula. 

 Named on the supposition that, on geographical grounds, 

 it may prove distinct from lorcalis. 

 No specimen in collection. 



II. Genus AMMOTRAGUS. 



Ammotragus, Blyth, Proc. Zool. Soc. 1840, p. 13 ; Gray, Cat. Ungu- 

 lata Brit. Mus. p. 179, 1852; Rutimeyer, Abh. schweiz. pal. Ges. 

 vol. iv, p. 101, 1877 ; Pococlc, Proc. Zool. Soc. 1910, p. 862. 



Horns " perverted " homonymous, curving backwards 

 over neck, and marked with strong transverse wrinkles, 

 especially when immature, those of females larger than in 



