190 Mr. 0. Thomas o?i 



by its l)l;uk-backeil ears and liidileii digital pad'^, and cranially 

 by its nuKdi more |)roo(lout incisors. 



Biiclinei's (). rnelanostoma, hy)\n Kan-suaiid tbo Koko-Nor 

 regions of Tibet, is another f.trin very closely allied to 

 citrzoiiuc, and can, at nio.st, only be recognized as a subspecies 

 of it. 



Ochotona gloveri, sp. n. 



A Pika allied to 0. erythrotis, Biiclin., bnt without a reddisii 

 mantle in the summer pelage. Bullaj smaller. 



Size large, about as in 0. erz/fhrotis. General colour of 

 body dark lined greyish, Aviih black tips to the hairs. Nape 

 with obvious but not conspicuous post-aural drabby-white 

 patches, the specimen being in summer pelage. Under sur- 

 face soiled greyish, the hairs slaty at base, whitish terminally. 

 Sides and top of muzzle dull tulvous ; cheeks grey, crown 

 darker grey. Ears, apart from the brownish margin of the 

 proectote, deep cinnamon, the metentote a little paler than 

 the proectote ; extreme edges, as usual, whitish. Hands and 

 feet above white, the brusli below dull brown. 



Skull as figured in erythrotis, but the bullas not so large. 

 Palatal bridge api)arentiy broader. 



Dimensions of ty])e : — 



Head and body 204 mm.; hind foot 31. 



Skull: upper length 46; condylo-incisive length 43; 

 zygomatic breadth 23*5; interorbital breadth 6"2; breadth 

 of brain-case 19 ; palatal bridge 2'^ ; antero-posterior leiigtii 

 of bulla 10; upper tooth-row (alveoli) 9. 



Hah. W. Sze-chwan. Type from Nagchuka, 10,000'. 



Typp. Adult mah". P.M. no. 13 9. 13. 17. Collector's 

 number 213. Ilaivaid iiumbi.r Toti'J. Collected lOlli August, 

 I'JOb, by \V. 11. Zappey. 



Tins species was assigned by Air. Glover Allen to Biichner's 

 erythrotis, and it is undoubtedly nearly allied to that species. 

 But in August, if the same as erythrutisj it should have a 

 rufous or fulvous mantle, and there is no trace of this in the 

 spocimen. Its buUai are also smaller than those figured in 

 ertjtiirotis. 



The value of these characters has been impressed on me by 

 my recent studies of the genus, but it is not surprising that, 

 at a time when such a study was impossible for want of 

 material, Mr. Allen did not think them sufficient for distin- 

 guishing the species. In now dding s<>, 1 have inueh pleasure 

 in naming this striking red-eared Pika in his honour. 



