102 



Of Dr. Abbott's Aor luaininals no list was published, but all the 

 species obtained by Mr. Robinson have been described in the second 

 paper above quoted. 



With regard to the vexed question as to whether binomial or 

 trinomial names should be used for the various closely allied races of 

 the same type, when isolated in islands, I am strongly of opinion that 

 the balance of convenience is in favour of trinomials, at least in large 

 genera such as Sciurjis and Mns, where binomials give no idea of the 

 relationship of the animals. In certain cases, however, Avhere I am 

 morally convinced that a subspecific rather than a specific name is 

 advisable, and yet where I have not had the opportunity or material 

 to work out the group for myself, I have adopted the compromise of 

 inserting the parent name in brackets, and so indicating the alliance 

 of the animal dealt with. 



ArVCACA rVSCICrLARIS, Rapf. 

 ? 298. Jnara Bay, Tioman. 



PTEROPIS HYPOMELAXrS LEPIDU.«!, Mill. 

 (?280, 290 (yg.), 329. Juara Bay, Tioman. 



I am informed hy Dr. Andersen that this Fruit-bat, described as 

 P. lejnchiii by Miller, should be considered as a local subspecies of 

 the widely-spread P. Injpomelanns. 



" Not uncommon on this island and on Piilo Aor. but not flying in 

 great flocks like P. mrnpynia.'" — H. C. R. 



GALEOl'TERUS* AORIS, Mii.r.. 

 (? 278 ; ? 276, 277, 280. Pulo Aor. 



These specimens are quite uniform in the size of their skulls and 

 teeth, and differ markedly from the Tioman species. Two are in the 

 grey phase and two in an intermediate phase between gi'ey and 

 nifous. 



ftALEOPTERUS TAYLORI, sj,.)i. 

 <J28] (imm.). Pnlo 'J'i.)iiiaii. i:Uli .Innc, 1900. 15. M. Xo. 8. 1. 2o, 3. 

 I'm"'- 



" Ver\' rare in tliis island." 



Size greater tlian in G. nnri^, about equalling that f>f the mainland 

 sjiecies. Tentli very largi'. 



Tyi>e in red plmse. In colour and other external characters quite 

 like a specimen of G. tellonis, Lyon, in the red phase. Hands and 

 feet finely spotted with white. 



Skull of the single specimen, although immature, already decidedly 

 larger than in G. ooris, and almost eqixalling small examples of the 

 mainland species, to the size of which when full-grown it might have 



•Formerly Gahopithecu". See Thos. Anu. & Mafr. Xat. H).st., March, 1908., 

 p. 254. 



