new Species of Uromys. 213 



as though misprinted, and there being no certain locality, I 

 think it best to treat the species as indeterminable. 



In addition the Museum contains examples of the two 

 following new forms : — 



Uromys ductor, sp. n. 



Like U. validus, but with larger skull. Colour more 

 fulvous. 



General colour above approaching "cinnamon," quite 

 uniform in the two available skins. Hands whitish. Feet 

 pale brown. 



Skull in all essential characters as in U. validus, but size 

 larger. Supraorbital ridges rather more strongly developed. 

 Mesopterygoid fossa broader. 



Dimensions of the type (measured on skin) : — 



Head and body 325 mm. ; tail 280; hind foot 55 ; ear 26. 



Skull: greatest length 65 ; condylo-incisive length 61*5; 

 zygomatic breadth 32 ; nasals 24*2 X 7*4 ; interorbital breadth 

 9"4 ; breadth of brain-case 21*5 ; palatilar length 32'6 ; 

 palatal foramina 7'3 ; breadth of mesopterygoid fossa 5*2 ; 

 upper molar series 11"2. 



Hah. Avera, Aroa River, British New Guinea. Another 

 specimen from Dinawa, Owen Stanley Range (A. E. Pratt). 



Type. Adult male. B.M. no. 3. 12. 1. 4. Collected by 

 A. S. Meek. Three adult specimens examined. 



This species is no doubt closely allied to what I consider 

 as U. validus, but is distinguished by its larger skull and 

 more fulvous colour. 



Uromys proli.vus, sp. n. 



Like U. validus and ductor, but with long feet and long 

 narrow skull. 



Size greater than in U. ductor, the hind foot 64 mm. in 

 length. General colour about as in U. validus, apparently 

 not so fulvous as in ductor, but as the specimen is in spirit 

 not much dependence can be placed on the exact shade of 

 colour. Hands white; feet white, with a wash of greyish 

 brown on the metatarsals. Tail with terminal half yellow. 



Skull long and slender, much longer than in ductor, but 

 the zygomata not more widely expanded. Upper profile 

 slightly convex in the parietal region, then concave between 

 the orbits, strongly convex above the base of the zygomata, 

 the nasals sloping downwards from the frontal convexity. 

 The frontal region is also convex in the other direction, 

 high mesially, sloping laterally. Supraorbital edges with 



