516 Mr. 0. Thomas on Inaectivores and 



3. Epimys confucianusj M.-Edw. 

 ? . 3. A-tun-tsi. 11,500'. 



4. Apodemus spcciosus latronum, Thos. 

 c? . 4, 8, 13, 15, 23 ; ? . 12, 14. A-tun-tsi. 12,000'. 



5. Apodemus chevrieri, M.-Edw. 

 ? . 24, 27. A-tun-tsi. 12,000'. 



6. Microtus trene, Tho3. 



$ . 9, 22. A-tun-tsi, N.W. Yunnan. 14,000-16,000'. 

 ^ . 26. Mo-ting, N.W. Yunnan. 15,000'. 



7, Microtus {AnteUomys) xoardi, sp. n. 



(J. 18 (skull only). Cliamutong, Upper Sal ween drainage- 

 area, W. of A-tuu-tsi. 13,000'. B.M. no. 12. 3. 18. 15. 

 Type. 



Skull smaller, flatter, and with much smaller bullae tlian 

 in M. (-/i.) chinensis. 



Size ratiier less than in tlie only previously known species 

 of this subgenus, M. {A.) c/iinensis, Thos. Skull with com- 

 paratively small brain-case, its upper outline less convex, its 

 heii;ht considerably less, owing both to tlie smaller bulloe and 

 lower brain-case. Palatal foramina narrow throughout, 

 scarcely broader mesial ly. Posterior edge of palate as in 

 chinensis. BuUte conspicuously smaller in all dimensions. 



Incisors unusually long in the type, their outer corners 

 produced into two long points. Molars essentially as in true 

 ddnensis : m^ with spaces 2 + 3 and 4 + 5 communicating 

 respectively with each other ; vi^ with spaces 2 + 3 open ; m^ 

 with all the spaces communicating, the outline of the tooth 

 as in typical chinensis, its inner side with five well-marked 

 angles. 



Dimensions of the type (the flesh-measurements recorded 

 on the skull-label) : — 



Head and body 119 mm. ; tail 57 ; hind foot 19 ; car 14. 



Skull: condylo-incisive length 27*3; basilar length 24; 

 zygomatic breadth 15'7 ; nasals 8'2 x 3*4 ; interorbital 

 breadth 4*2 ; combined height of brain-case and bulias 9 j 

 diastema 8*5; palatal foramina 8'5 ; upper molar series 

 (crowns) 6*3. 



Hab. & Type as above. 



