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hair. Outside of limbs blackish brown, more or less mixed with 

 hoary ; inside of limbs below the membranes lighter. Upper part 

 of tail above and sides like the lower back, but mixed with more 

 yellowish white ; rest of tail black, the hair gradually increasing 

 to a tuft at the end ; shape of the tail rounded. Teeth large and 

 narrow, deep orange yellow ; whiskers black, and about four inches 

 long ; ears long, rather pointed and bare, surrounded at the base 

 with long brownish black hair ; claws curved apd sharp, four on 

 the fore and five on the hind feet, covered above, especially on 

 the hind feet, with long jet-black stiff hair. Extending from the 

 root of the tail below, for about three inches and a half, sixteen 

 scales of a pale horn-color, arranged in two longitudinal series 

 alternating with each other, and decreasing in size downward ; 

 the scales sharp-pointed and prominent. Length from tip of the 

 nose to root of tail, 15 in. Length of the tail, 11 in. Length 

 from the tip of the nose to base of the ears, 2 j in. Length from 

 the tip of nose to the eyes, 1^ in. Length of the horny part un- 

 der the tail, 3^ in. 



This animal is nocturnal, and inhabits the forests, and is con- 

 sequently exceedingly difficult to get ; during the day they stay 

 on the branches of dead trees, surrounded by a great number of 

 dead vines. This is the only specimen 1 met with. 



I propose for this new species the name of Anomalurus Bel- 

 deni, in honor of George Mortimer Belden, Esq., as a token of 

 friendship from one who remembered him often while in the 

 wilds of equatorial Africa. 



The chief peculiarity of this species is the two distinct colors 

 of the tail which ends in a tuft. 



This makes four species of Anomalurus, which are these : 



A. Fraseri (Waterhouse). 

 A. Pelii (Temminck). 

 A. Beecrofti (Eraser). 

 A, Beldeni (Du Chaillu.) 



