SIMIAM. 521 



uttered a single cry, although they collected together several times, 

 knitting their brows, gnashing their teeth, and making demonstrations of 

 an intended attack upon me." (Voy. au Senegal,Tpa.r M. Adanson, p. 178, 

 1757.) 



The Green Monkey is one of the species most commonly brought to 

 this country, and is distinguished for intelligence and activity. At the 

 same time it is savage, and treacherous, and disposed to resent the 

 slightest injury. When young it is much more gentle and familiar, and is 

 then diverting from its antics and grimaces ; but, as it acquires age, it 

 becomes very malicious and irascible. So decidedly is this the character 

 of the Green Monkey, as far, at least, as the observations of the Author of 

 this work extend, that the adult specimen described by Fred. Cuvier must 

 have been an exception to its race ; he informs us that it was good tem- 

 pered, gentle, and familiar, courting the notice of persons with whom it 

 was acquainted, and exhibiting signs of pleasure on being caressed ; it 

 expressed its feelings of satisfaction by a low purring noise ; and it 

 seldom became excited by anger, or attempted to bite. The purring 

 noise, mentioned as having been uttered by F. Cuvier's specimen, does not 

 appear to have attracted the notice of other naturalists ; and, though the 

 Author has observed many of these animals in captivity, he never heard it. 



The Green Monkey, indigenous as it is in a hot climate, is one of the 

 hardiest of the Cercopitheci, and bears our changeful seasons better than 

 most. 



The name of Callithrix (Callitriche, French) is given, by Pliny, to a 

 Monkey of Ethiopia, which Cuvier, erroneously supposes to be the 

 Wanderoo, but which was, probably, the Guereza. Buffon first applied 

 it to the present species, and, though it is a misnomer, it is generally 

 adopted. 



THE VERVET. 



CERCOPITHECUS PYGERYTHRUS. (Cercopithecus pygerythrus, F. CUVIER, Mamm. Jan. 1821.) 



Le Vervet, Cercopithecus pygerythrus, F. CUVIER, Mamm. lithog. c. fig. 1821. 

 Guenon Vervet, Cercopithecus pygerythrceus, DESMAREST, Suppl. p. 534. 1822. 

 Cercopithecus pusillus, Delalande, DESMOULINS, Diet. Class, vii. 568. 

 Guenon naine, Delalande . . . ISIDORE GEOFFROY, Voy. Belang. Zool. 49. 



Simla pygerythra FISCHER, Synop. Mamm. p. 22. 1829. 



Cercopithecus pygerythrus . . . LESSON, Species des Mamm. p. 83. 1840. 



SPECIFIC CHARACTERS. Colour above, grey, slightly tinged with olive; whiskers very 

 long; a frontal stripe, and the under parts of body white; feet, black; tail, largely 

 black at its terminal portion ; face, sprinkled with black hairs ; scrotum, turquoise 

 coloured, or greenish blue, surrounded with bright rust-red hairs. 



LOCALITIES. Cape of Good Hope and Southern Africa. 



DESCRIPTION. The general colour of a very fine specimen (No. 29, 

 Cat. Mamm. 1838) in the museum of the Zoological Society, London, 



Vol. I 3 X 



