SPECIES OF MAMMALIA. 



beneath yellowish red, with a large white spot, surrounded 

 with black beneath the eyes ; tail, origin reddish yellow, 

 end black. 



Callithrix infulatus, Lichtemtein et Kuhls. MSS. Desm. 

 Mamm. 88. 



Icon. 



Inhabits Brasil. 



VI. AoTEs, Humboldt. Facial angle ? head round and 



large, muzzle short ; ears very short ; eyes large, close together ; 

 tail long, covered with short hairs. 



98. 1. S. A. Trivirgatus (the Douroucouli). Fur ash- 

 coloured ; belly yellowish red ; with three parallel brown 

 lines, extended from the forehead to the occiput, 



Aotus trivirgatus, Humboldt, Zool. Obs. tab. 806. 



Cararayada Missionaries of Orinoco, Douroucouli, Hum- 

 boldt. I. c. 



Icon. Humboldt, Zool. Obs. tab. 28, Ency. Method. Supp. 

 t. I./.2. Griff. Quad. t. 14. 



Inhabits the thick forest of the Banks of the Cassiquiare, 

 and upper Orinoco, 



VII. PiTHECiA, Desmarets. Facial ajigle of 60°, head 

 round; muzzle short ; nostrils wider than the range of upper 

 cutting teeth ; ear moderately rounded ; tail not prehensile 

 covered with long hair ; nocturnal. Called Night Apes. 



99. I. S. P. Satanas (The Couxio). Fur, black brown 

 on the males, red brown on the females ; the hair of the 

 head thick, covering the whole head and falling on the 

 forehead ; the beard very thick rounded ; tail nearly as long- 

 as the body. 



Cebus Satanas. Hoff". Nat. Fors. x. 93. Pithecia Satanas, 

 Geoff. Ann. Mus. xix. 116. Simla Sangulata, Trail. Wern. 

 Trans, vii. 167? 

 Couxio, Humb. Ob^. Zool. 314. 



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