370 Mr. O. Thomas on 



of hair of back 20 mm. (30 mm. in Pt. pselaphou). Back 

 and ninip chocolate, conspicuouslj sprinkled with long shining 

 whitish-grey or buffy-grej hairs ; breast, belly, and flanks 

 paler than upperside, between Vandyck-brown and Mars- 

 brown, thickly mixed with long, coarse, bufFy hairs ; mantle 

 and occiput deep tawny, shading to chocolate tawny on sides 

 of neck and to Vandyck-brown on foreneck ; mantle slightly, 

 sides of neck and foreneck more thickly sprinkled with 

 coarse buffy hairs ; centre of crown golden buffy ; forehead, 

 sides of crown, sides of iiead, chin, and throat dark Vandyck- 

 brown, tiiickly mixed with bufFy or greyish-white hairs. 

 Forearm about 151'5 mm. (in Pt. pselaphou 132'5-141, in 

 the allied Pi. tuherculatus liy'5 mm.). 



Ti/pe. c? ad. ale. and skull, Pelew Islands; GodefFroy 

 Museum; B.M. 74. 10. 5. 3. — The type is the only specimen 

 examined. 



Pteropus dohsonij nom. n. 



llcropus fuscus, Dobson, Cat. Chir. Brit. Mus. p. 59, pi. iv. fig. 5 

 (teeth) (June 1878). 



The technical name given by Dobson to this species is 

 preoccupied by Pteropus fuscus, E. GeotF., IbOo (Cat. Mamm. 

 J\lus. Nation. d'Hist. Nat. p. 46), which is Pt. niger, Kerr, 

 1792 {Pt. vulgaris, auct.) ; by Ptei'op) us fuscus, Desmarest, 

 1803 (N. Diet. d'Hist. Nat. xix. p. 544), which is Pt. suh- 

 niger, Kerr, 1792 (Pt. ruhricoUis, auct.) ; and by Pteropus 

 fuscus, Blainville, 18-10 (Ost. Mamm. i. Chciropt. p. 100, 

 pi. vi. fig. 1), which is Pt. vampyrus, L., 1758. 



XLIII. — New Bats and Hodents in the British Museum 

 Collection. By Oldfield Thomas. 



Aluriiia halstoni, sp. n. 



Allied to M. suilla, Temm., of which the Museum possesses 

 a pair from the Willis Mts., E. Java, but distinguished by 

 the following characters : — (1) The general colour is browner, 

 not rufous or fulvous, the hairs of the back slaty grey at base. 

 (2) The hind limbs and interfemoral membrane are but very 

 sparsely covered with hair, instead of being rather thickly 

 clothed, the edge of the membrane with but few scattered 

 hairs along it. (3) The under surface is uniformly white or 

 creamy, the sides not or quite inconspicuously more greyish 



