260 SYNOPSIS OF THE S1MIADJB. 



SAPAJOUS. 



GENUS XVIII Aides, GEOFFROY. 



Head round ; facial angle about 60 ; extremities proportionally 

 very long and slender ; the anterior hands with four fingers, or the 

 thumb supplied by a rudiment only ; tail very long ; powerfully 

 prehensile, having a part without hair, covered with a very delicate 

 and sensible skin on the under side ; os hyoides large, but not 

 apparent from the outside ; habits and movements slow and 

 indolent. 



1. A. HYPOXANTHUS, the Miriki Atele hypoxanthe, Desm. 

 Mamm. p. 72. Of a yellowish-gray ; vent and babe of 

 the tail often reddish-yellow ; face flesh-colour ; thumb 

 a short rudiment, furnished with a nail. . Inhabits Brasil 

 between the 13 and 23 of S. latitude. 

 2 A. SUBPENTADACTYLUS, the Chameck. Atele chameck, 

 Geoff. Ann. du Mus. xix. 105 ; vii. 267 ; Desm. 

 Mamm. p. 73. Chameck, Humb'. Obs. Zool p. 353. 

 Entirely black ; thumb a rudiment, without a nail. Inhabits 

 French Guiana and Peru. 



PLATE XX 3. A. PANISCUS, the Coaita Simia paniscus, Linn. 



Atele paniscus, Geoff. Ann. du Mus. xix. p. 105 ; vii. 269. 

 Atele coaita, Desm. Mamm. p. 73. Coaita, Humb. 

 Obs. Zool. i. p. 352 ^ Fred. Cuv. Hist. Nat. des Mam. 

 mif. Entirely black ; thumb wanting on the anterior ex- 

 tremities. Inhabits Guiana, Brasil. 



Distinguished from the last by the less size, and want of the 

 thumb on the anterior hands. 



4. A. BELZEBUTH, the Marimonda Geoff. Ann. du Mus. 

 xix. p. 106 ; vii. p. 271. Atele belzebuth, Desm. Mamm. 

 p. 74. Marimonda de 1'Oronoque, Humb. Obs. Zool. 

 i. pp. 327, 353. Dusky black, under parts yellowish- 

 white in the males ; white in the female and young. In- 

 habits banks of Oronooko. 



5. A. MARGINATUS, the Clmva. Geoff. Ann du Mus. xiii. 



