Asiatic and Australasian Bats. 443 



Einballonuia nigrescens and its Allies. 



A study of these and the material in the Museum sliows 

 that three species of the nigrescens group may be distin- 

 guished, as follows : — 



A. Size larger : forearm about 35-38 mm. Skull 



longer (upper length about 12 mm.), low, the 

 brain-case not specially inflated and the muzzle 

 fairly long; no mesial septum in the basi- 

 sphenoid pit. (Solomon Island, Bismarck 

 Archipelago, Admiralty Islands.) E. solomonis, Tho3. 



B. Size rather smaller : forearm about 34 mm. 



Skull rather smaller (upper length 11 mm.\ 

 shaped about as in solomonis. A well-defined 

 mesial ridge in the basisphenoid pit. (Am- 

 boina and Buru.) E, 7iigrescens, Gray. 



C. Size a;3 in niijrtscens (forearm about 33-34 mm.). 



Skull of about the same length (upper length 

 11 mm.), but differently proportioned, the 

 brain-case large, high, and much inflated, tlie 

 muzzle short and stumpy. No basisphenoid 

 septum, (New Guinea.) E. 2nqmana, sp. n. 



Details of E. papuuna : — 



Dimensions of type (italicized measurements taken in 

 flesh) : — 



Bead and body 3S mm. ; tail 11; ear 10. Third finger, 

 metacarpus 30, first phalanx 8'8 ; lower leg and foot 16. 



Skull: U[)per length 10*9; basi-sinual length 8*2; zygo- 

 matic breadth 8; interorbital breadth 3'2 ; brain-case, 

 height 6, breadth G*2 ; front of canine to back of w^ 4"3. 



llab. (of type). Wakatimi, Mimika liivcr, S.W. Dutch 

 New Guinea. 



Tt/jye. Adult male. B.M. no. 11.11.11.13. Original 

 number 2571. Collected 7th March, 1911. Presented by 

 the B.O.U. Expedition to New Guinea. 



More than a dozen specimens of this species are in the 

 Museum collection, its range extending from the type-locality 

 to the eastern end of the island. 



Ecliymipera gargantua, sp. n. 



Similar to A^. fZcre^yawa in general characters, but size much 

 larger — the skull 82-88 mm. in condylo-basal length, instead 

 of about 70-73 mm. 



Dimensions of the type (measured in flesh) : — 

 Head and body 410 mm. ; iiind loot 74 ; cur 31. 



