Mammals from British New Guinea. 399 



Skull : tip of nasals to front angle of interparietal 36*5, 

 greatest breadth 22 ; nasals 16x5'l ; interorbital breadtii 6; 

 palate knfitli from henselion 19"8 ; diastema 10"5; palatine 

 foramina 7"6 X 3 ; length of upper molar series 7"2. 



This species is no doubt very closely allied to J/, prmtorj 

 but differs by its peculiarly thick incisors and differently 

 shaped palatine foramina. Besides the typical specimen 

 mentioned above, Mr. Monckton has sent an imperfect skull 

 showing similar characters, while Mr. Stalker obtained in the 

 Conflict Islands, off the S.E. corner of New Guinea, an example 

 of what also appears to be the same species. Mus prcetor is 

 found in the Solomon Islands and New Britain. 



Uromys Moncktoni, sp. n. 



c?. 8. B.M. no. 4. 8. 3. 4. Collected 12th September, 

 11)03. Type. 



Two youno; specimens. 



Allied to U. levipes, Thos., but with shorter feet and more 

 hairy tail. 



General colour above of the same dark brown (Prout's 

 brown) anteriorly as in U. levipes, and similarly passing into 

 russet on the rump. Under surface dull soiled pinkish buff, 

 the slaty bases of the hairs showing through ; lower part of 

 flanks more distinctly buffy_, the line of demarcation not 

 sharply defined ; no hairs on belly without slaty bases. 

 Head rather greyer than back. Ears small, rounded, naked. 

 Upper surface of head and feet dull creamy white ; feet 

 decidedly shorter than in U. levipes. Tail dift'erent from that 

 ot any other Uromys by being to a certain extent hairy, each 

 scale having three or four hairs, as long as itself or rather 

 longer, projecting from its hinder edge ; in other species if 

 any hairs are present they are rarely one third the length of 

 a scale J in colour the tail is dull brown, scarcely lighter 

 below. 



Skull very much as in U. levipes, the palatal foramina and 

 tooth-row each slightly shorter tlian in tliat species. 



Dimensions of tiie type : — 



Head and body (in skin) IGO mm.; tail 127; hind foot 

 (s. u.) 305; ear 16. 



Skull : greatest length 38*5 ; zygomatic breadth 18*2 ; 

 nasals 12*8 x 4*4 ; interorbital breadth 6*1 ; palate length 16'5; 

 diastema 10*1; palatal foramina 5x2'6; length of upper 

 molar series 7. 



This species is no doubt closely allied to U. levipes, but is 

 distinguishable by its buffy instead of clear greyish belly, and 



