474 
APPENDIX. 
“The prevailing colour is bright rusty red; the head, back 
of the neckj and the central portion of the back^ are black; the 
cheeks and throat white or dirty white; chest, fore part of the 
shoulders, the under parts of body and inner side of the limbs 
are dirty yellow; inner side of the thighs whitish; the hairs of 
the tail are brownish black. The fur is long and not very 
glossy; that on the head and fore parts of the body being 
longest. There is no soft under fur; the hairs are of an uniform 
colour to the base, or at least in a very slight degree paler at 
that part. The portion of the back which is described as black, 
partakes slightly of the rusty hue which prevails over the other 
parts of the body; it occupies but a narrow portion of the back, 
and blends indistinctly into the rust colour. The lower parts of 
the limbs are blackish below the knees and elbows externally, 
but within yellowish white. 
Presented by Dr. Thomson to the British Museum. 
Golobus Satanas, (Waterhouse, in Proc. Zool. Soc. Lond., 
May 8, 1838.) 
Col. niger; vellere longissimo. 
Longitude capitis corporisque - 31 unc. 0 lin. 
„ caudse .... 36 0 
Habitat. Fernando Po. Called by the natives, Mucho. 
“ It is of an uniform black colour. The longest hairs on the 
back measure ten inches. The fur is but slightly glossy, and 
the hairs are of an uniform colour to the base. There is no 
under fur. 
Cercopiihecus Erythrotis, (Waterhouse, in Proc. Zool. Soc. 
Lond., May 8, 1838.) 
Cere, griseus; pilis corporis supra fiavo nigroque annulatis; 
gula genisque albis; brachiis nigrescentibus; cauda splendide 
rufa, linea nigrescente per partem superiorem excurrente, apice 
nigrescente; regione anali auribusque rufis. 
Longitudo capitis-corporisque . . 17 unc. 0 lin, 
„ caudse 23 0 
Habitat. Fernando Po. Called by the natives, Mobah. 
“ The hairs on the upper parts of the body are black annulated 
with yellow; on the hinder parts of the back the yellow assumes 
a deep golden hue, but, unlike the Moustache monkey, the 
