( 600 ) 



4. Pogonomys dryas spec. nov. 



Closely allied to P. mollipilosus, but ears mnch larger. 



Size, proportions, and other essential characters as in P. mollipilosus. 

 General colour above dull buffy brown ; head and sides lighter and denser bnfty. 

 Undersurfiice pure sharply defined white. Ears of medium size ; laid forward in 

 the spirit specimen they reach to the centre of the eye ; their front edge nearly 

 straight, end broadly rounded ; practically naked, pale greyish. Ujjper surface 

 of hands and feet white or brownish white. Tail long, finely scaled (12 rings 

 to the centimetre), practically naked, pale brown throughout* except on the 

 naked and jjrehensile terminal portion above, which is pale flesh-coloured. 

 Mammae 1 — 2 = 6. 



Skull closely similar to that of P. mollipilosus, but slightly larger ; frontal 

 region flatter ; braincase smaller ; palatine foramina more strongly curved ; but 

 the differences in all cases very slight. 



Teeth of the typical Pogonoimjs pattern, nut of the more complicated 

 Chiruromys type ; their size and structure quite as in P. mollipilosus. 



Dimensions of the type, measured in spirit : — 



Head and body, 114 mm. ; tail, 184 ; hindfoot, 23-5 ; ear, from notch, 15 ; 

 from crown, 12-3; breadth, 118. 



Skull, greatest length, 32 mm. ; basilar length, 27-6 ; greatest breadth, 18-7 ; 

 nasals, 11x3-3; interorbital breadth, 44; breadth of braincase, 14-8; palate 

 length, 15; diastema, 9-8; palatal foramina, 4-5 x 2-9; length of upper molar 

 series, 6'3. 



Hab. Dinawa, Owen Stanley Range, British New Guinea ; altitude 1300 m. 



Ti/pe : an adult female in spirit. B. M. No. 4. 4. 10. 6. Collected by 

 Mr. A. E. Pratt. 



Two skins from Avera, Aroa River (Coll. Meek). 



This species is very closely allied to P. mollipilosus Peters & Uoria, obtained 

 at Katau, near the mouth of the Fly River, of which the typical skull has been 

 kindly lent me by Dr. Gestro for comparison. That animal, however, has so 

 much smaller an ear (length from notch 11 mm., above crown 9-2, breadth 9), 

 that I do not feel justified in assigning the Dinawa form to it ; moreover, its 

 tail is differently coloured, being brown for its basal third only, then marbled, 

 and finally wholly yellow above and below. 



* The Avera specimens have a tew pale markings on the middle third of the tail. 



