PTEEurUS COysPIClLLATUS. 379 



4 /> (sliull) (1899: Eoiijiu, Astrolabe Bay; Madaiig, German 

 Xew Guinea; i'ule I. ; Woodlark I. ; Filzjoy I.) ; id., Krier/er's 

 Neu-Guiiiea, p. 77 (1899 : S. New Guinea) ; id., Semon, Zu<il. 

 Forsch. Austr. Malai/. Arch. p. 774 (1903: Cooktown); Troiies- 

 sart, Cat. Mdinm., Suppl. p. oO (1904 : S.E. & E. New Guinea; 

 Kiriwina 1.; ^N'oodlark 1.; Fitzrov I.); Jentink, Notes Lei/ den 

 Mm. xxviii. pp. 163, :^09 (1906: Bongu ; Madang) ; Miller, 

 Fam. 4- Gen. Bats, p. 58 (1907). 



Pteropus ajpcto (pt., nee Teimn.), Peters ^- Doria, Ann. Mvs. Civ. 

 Genova, xvi. p. 689 (1881 : Yule I.) ; Heller, Abh. Mus. Dresden. 

 vi. no. 8, p. 4 (1897: Yule I.). 



Flughunde, Senton, Im cmstr. Biiscfi, p. 285 (1896: camp near 

 Cooktown). 



Diagnosis. — Closeh' allied to Pt. chrysaucheii, but dentition 

 rather weaker, and circumocular space and sides of muzzle con- 

 siderably paler in colour, forming distinct " spectacles." Forearm 

 157-181 mm. Hah. S.E. New Guinea with adjacent islands; 

 N. and N.E. Australia. 



Skull and teeth. — Skull scarcely differing from that of Pt. cJirvs- 

 anchen, except perhaps in a slightly smaller average size of the 

 orbits (15-1 G mm., against ]6-10"5). Largest cheek-teeth 

 averaging rather weaker Ihan in Pt. ckrifsauclien : length of m' 

 5-fi-2 mm., against 5-7-6'7, of p^ 4-8-5-5, against 5-5-S, of m, 

 4"5-5'5, against 5-5'8. 



Colour. — As in Pt. chrysaucheii, but sides of muzzle and hairs 

 round eyes ochraceous-butf, forming conspicuous spectacles, some- 

 times slightly sprinkled with brownish or blackish hairs ; crown 

 and sides of head blackish thinly mixed with greyish or buff}' 

 hairs ; blackish colour of crown extending forward in an acutelj- 

 triangular patch between pale superciliaries to base of rostrum. 

 Mantle and occiput varying from cream-buff washed with buffy in 

 the centre (palest extreme ), through ochraccous-buff or rich orange- 

 buff, to golden ochraceous. 



E.vternal ilimensions. — As Pt. chri/sanchen, but with metacarpals 

 and phalanges averaging somewhat shorter. The variation in 

 size, among individuals obtained within the same zoogeographical 

 area, is considerable : the type of the species ( c? ad.), from Fitzroy 

 Island, N E. Queen.sland, is the smallest individual in the series 

 examined (forearm 157 mm.) ; a specimen ( c? ad.) from Cooktown. 

 N.E. Queensland, closely approaches the maximum of size (forearm 

 176 mm.). The variation in the size of the teeth does not go 

 parallel to the variations in external dimensions ; large-sized 

 individuals may have small teeth, and vice versa. 



Se.vtial difftrentuttion. — .-^s in Pt. chrysauchen. 



Measurements. On pp. 382, 383. 



Specimen.t examined. Eight, as registered below. 



Ranye. German and British New Guinea (Bongu, ifadang, 

 Yule I., Pt. Moresby, Grange I., South Cape) ; islands off S.E. 

 New Guinea (Kiriwina, Woodlark, Alcester Is.) ; Torres Straits 

 Islands (Nepean I.) ; N. Queensland (Cooktown, Eockingham Bay. 

 Fitzroy I.) : Aruhemland (Pt. Es.sington). 



