A NEW MURINE GENUS AND SPECIES FROM SIAM. 281 



length to the head and body (82 mm.). 



The present individual has skull measurements which are 

 practically those of the type of Mas viculorttin Anderson,* from the 

 Kakhyen Hills near IJhamo, which Thomas in 1881 regarded (together 

 with Mas l-(d-hiieiiensi.< Anderson, from the same district f) as synony- 

 mous with ^fus itrhanuf Hodgson, the Indian form of ifus miisnilKs: 

 it is rather smaller than the type of kakhiieneims but has apparently 

 the same silvery underparts, thougli otherwise differing in colour from 

 it and also from vkttlorum. 



• Anat and Ziwl. Re.scarciies in Yunnan, p. 308. 

 t op. cit.. p. 307. 



VOL. II, DF.C. 11M7. 



