GALEOPITHECIDE. 97 
Cuvier refused to use the name proposed by Geoffroy, because it 
was given in honour of a person; but as this rule has not been 
generally observed, the objection ceases to be operative. 
Daubentonia madagascariensis. The Aye-Aye. B.M. 
Daubentonia madagascariensis, Gap. ; Dahlbom, Studier, p. 286, 
t.12. Aye-Aye, Sonnerat, Voy. Ind. ii. p. 188, t. 76, 1782.  Sciu- 
rus madagascariensis, Gmelin. Cheiromys madagascariensis, Geoff. 
1803 ; Owen, Trans. Zool. Soc. 1868. 
Hab. Madagascar. 
Suborder III. DERMOPTERA. 
Limbs enclosed in an expansion of the skin. Fingers and toes 
short, webbed, with opposable thumbs; claws very sharp. 
Fam. VII. GALEOPITHECIDA. 
Cutting-teeth 4; the upper middle small; side one compressed ; 
lower shelving, pectinate. Canines 1.1; like the molars. Grinders 
2.8. Headelongate. Ears small, rounded. Limbs short, subequal. 
Neck, limbs, and tail united by a hairy expansion, serving as a para- 
chute. Toes and fingers short, compressed. Palm short. Teats 
placed in pairs in a large gland. 
Galeopithecidee, Gray, Ann. Phil. 1825; P. Z. 8, 1863, p. 151. 
Synopsis OF GENERA. 
1, GaLEoriTHEcts. Tail and arms moderate. 
2, GALEOLEMUR. Tail and arms elongate. 
1. GALEOPITHECUS. 
Tail moderate, of 16 or 17 vertebra. Arms moderate. 
Galeopithecus, Pallas, p.17; Gray, P. Z. 8S. 1863, Chiromys, I/ger. 
* Nose of skull elongate, as long as broad. Grinders small. False grinders 
elongate, narrow. Gonyx of lower jaw swollen. Galeopithecus. 
1. Galeopithecus volans. The Colugo. B.M. 
The second and third upper grinders low, broader than high, with 
the front and hinder edge serrated; the first moderate, four-lobed. 
The first lower five-lobed ; the second compressed, serrated. Skull 
elongate ; temporal ridges separate behind. 
Lemur volans, Linn. Galeopithecus volans, Shaw, Zool. t. 88. G. 
variegatus, Geoff. G. rufus, Geof. PG. ternatensis, Geof. G. 
Temminckii, Waterh. P. Z. S. 1838, p. 120. G. undatus, 4. Wag- 
ner; Schreb. Séugeth. i. p. 326, t. 307 6. G. Temminckii, Waterh. 
Trans. Zool, Soe. 
Hab. Java; Sumatra; Borneo; Siam. 
