2'. Rostrum shortened (orbit to anterior tip of nasals less than one-third greatest length of skull); dorsal surface of tibiae usually at least partially furred 8
3(2). Forearm more than 128 4
3'. Forearm less than 128 5
4(3). Forearm about 155; venter and dorsum nearly black, mantle pale yellow =P. tonganus geddiei=, p. 798
4'. Forearm 128-136; venter and dorsum near Mars Brown, mantle Ochraceous or Cream-Buff =P. hypomelanus luteus=, p. 796
5(3'). Mantle dark, russet or cinnamon, not strongly contrasting with color of back =P. admiralitatum solomonis=, p. 796
5'. Mantle pale, Ochraceous-Buff or Cream-Buff, strongly contrasting with color of back 6
6(5'). Mantle Ochraceous-Orange to Ochraceous-Buff, hairs pale basally; forearm 108-111 =P. admiralitatum goweri=, p. 797
6'. Mantle Ochraceous to Cream-Buff, but hairs dark brown basally; forearm 110-122 7
7(6'). Length of forearm 110-112 =P. admiralitatum colonus=, p. 796
7'. Length of forearm about 122 =P. howensis=, p. 797
8(2'). Forearm more than 145 9
8'. Forearm less than 144 12
9(8). Forearm more than 162 10
9'. Forearm less than 162 11
10(9). Forearm 167-173 =P. rayneri grandis=, p. 801
10'. Forearm about 164 =P. rayneri rubianus=, p. 802
11(9'). Flanks and lower belly brightly colored, Burnt Sienna to Sanford's Brown; forearm less than 150 =P. rayneri monoensis=, p. 803
11'. Flanks and lower belly darker, near tawny; forearm more than 150, =P. rayneri lavellanus=, p. 802
12(8'). Pelage of dorsum tricolored; rump brightly colored; forearm 139-141, =P. rayneri rayneri=, p. 800
12'. Pelage of dorsum bicolored; rump dark; forearm less than 135 13
13(12'). Mantle tawny with some Ochraceous-Buff; forearm about 130, =P. rayneri rennelli=, p. 804
13'. Mantle russet, lacking Ochraceous-Buff; forearm about 121, =P. rayneri cognatus=, p. 803
14(1'). Forearm more than 131; dorsum Tawny Olive =P. mahaganus=, p. 806
14'. Forearm less than 100; dorsum dark brown =P. woodfordi=, p. 804
=Pteropus= Brisson
1762. Pteropus Brisson, Regnum animale ..., ed. 2, p. 153.
Remarks.--More species (seven) and subspecies (12) of Pteropus occur in the Solomon Islands than of any other chiropteran genus. Other kinds of Pteropus, as yet unknown, may live there.
Systematics of Megachiropteran Bats in the Solomon Islands · The Wunder Library — complete classics, free to read, with narration.