'*18 ORDER III. 



ned white hairs an odoriferous gland, the use of 

 which is not as yet determined. Of these, all from 

 Western Africa, he enumerates three species, mak- 

 ing, with the rest of the second section, nine, ex- 

 clusive of several others said to be identical with 

 established ones. 



Mr. Isid. Geoffroy St. Hilaire, finding several 

 species of Pteropus with four molars less, and their 

 zygomatic arches more prominent than in the former, 

 detached them, and in his monograph of Pteropus 

 (diet, class, d'hist. nat.), formed them into another 

 by the name of Pachysoma. 



The genus PACHYSOMA. Stout Gholes. Have 

 the head spheroidal, large ; muzzle large ; the zygo- 

 matic arches prominent ; half the thumb inserted in 

 the membrane ; marnmaa before the armpits. Dent, 

 form. in. f , can. \-\, p. mol. f , mol. f = i| = 30. 

 They are of small size, with nocturnal habits, retir- 

 ing to hollow trees or cavities; their flight rapid, 

 but irregular ; their cry piercing, and bite painful ; 

 the best known is 



P. titthcecheilum. Wart-lipped Pachysoma. 

 First described by Temminck under the name of 

 Pteropus titthcecheilus. Russet-brown above; grey 

 beneath; on the neck, nape, and sides of chest, 

 bright rose colour (in the males only) ; the upper 

 lip with two large warts separated by a furrow; the 

 tail enveloped, the point only free ; the interfemoral 

 membrane naked beneath, deeply cavitied. Found 

 in Java, &c. 



There are four or five more species, with tails 



