8 



MAMMALOGY. 



Atlas, Mammalogy, Plate II. Adult. 



P. poliocephalo affinis at minor, Capite breviusculo, griseo, (jiila occipi-- 

 teque saturatiorihm, dorso castaneo-fasca, p)ilis elongatis alhidis, fiavi' 

 disque irdermixtis, suhtus castaiieo-fascus, ])Uis flavidis. Auriculis 

 parvis, ohtusis, oi'atis. 



Resembling P. poliocephaJus of Australia, but smaller. 



Form. — Head rather short; ears small, ovate, obtusely pointed; pilage 

 coarse and wool-like, especially on the under parts. Wing-membranes 

 slightly furred along the course of the bone, most observable on the 

 under surface ; hind claws rather large, strongly curved, llattened. 



Dimensions. — Male. Total length from tip of nose, about nine 

 inches ; extent of wings, about forty inches ; forearm, five and a half 

 inches ; thumb with claw, two inches ; tarsus, two and a half inches ; 

 longest toe with claw, nearly one and a half inches. Female smaller. 



Colors. — -Entire head gray, darker on the throat and on the occiput 

 running into the dark reddish fulvous of the neck behind and upper 

 part of the back. Other upper parts, from a transverse Ihie across the 

 back at the insertion of the wings, dark chestnut-brown, the pilage 

 mixed with long yellowish-white hairs. Entire under parts dark 

 chestnut-brown, mixed with numerous yellowish hairs. Wing-mem- 

 branes dark. Irides brown. 



Hab. — Samoan or Navigator Islands. Specimen in Nat. Mus. 

 Washington City. 



This species is nearly related to the Australian Pleropm poVioce- 

 plialus, Temminck, Mon. Mamm. II, p. 66, figured by Gould, in Mam- 

 mals of Australia, I, PI. (plates not numbered), but is smaller and 

 otherwise distinct. 



Numerous specimens of the present fine species are in the collection 

 of the Expedition, and exhibit but slight differences among themselves 

 in any character. In this species the fulvous ring, which entirely 



