2. ATELES. 4X 



7. Mycetes caraya. The Blade Howhr. B. II. 



Black; hair rather elongate and rigid, uniform black; the sides, 

 especially at the loins, interspersed M-itli reddish hairs. Male. 



Simla caraya, Htimholdt. ]\Iycetes caraya, Lessmi ; Gray, Ann. &■ 

 MtKj. X. II. 1845, xvi. p. 220 ! kycetes niger, Pr. Max. 

 Ahbild, t. 



Hob. Brazil. 



8. Mycetes barbatus. The Gren-handed Howler. B. M. 



Black; hair moderately long, rather rigid, one-coloured; hands, 

 feet, inside of the tliighs, circumference of the face, and end of the 

 tail greyish. Sex unknown. 



Mycetes barbatus, Spix, Bras. t. 33 (male) ; Gray, Ann. Sf Man. N. 

 H. 184.'), xyi. p. 220 ! 



Hab. Brazil. 



9. Mycetes Beelzebul. The Yellow-handed Howler. B. M. 



Black ; hair rather soft, Tiniform black or reddish, with a few in- 

 terspersed bro'nni hairs on the shoulders ; feet, upper line and tip of 

 the taU, spot in front of the ear, and on the knee reddish-yellow. 

 Females and young. 



Simla Beelzebul, Linn. Mycetes rufimanus, Kuhl. M. Beelzebul 

 Gray, Ann. ^- May. N. II. 1845, xyi. p. 220 ! ? M. discolor, Spix' 

 Bras. t. 34. Colobus ?? chrysm-us, Gray, Ann. & May. K S. 

 18(JG, xyii. p. 77. 



Hah. Brazil. 



10. Mycetes villosus. The Villous Hoivler. B. M. 



Black ; hairs verj- long, sUky, uniform black on the cheeks and 

 under the ears, brownish at the base. Sex ujiknown. 



Mycetes yillosus, Gray, Ann. ^- May. N. H. 1845, xvi. p. 226 ! 

 Hab. Brazil. 



Tribe II. LAGOTRICHINA. 



Head round, face perpendicular. Canines small. Throat not 



swollen. Hinder jiart of the lower jaw not, or only moderately, 



dilated. Melancholic, slow, li^-ing in groups. Eating insects and 

 fruit. 



A. Fur dry, harsh. Hair on the head dinrtcd forward, lower jaw not 

 dilated hvhind. 



2. ATELES. 



Fur dry, hard, smooth. Cutting-teeth large, unequal, two niidfUc 

 very long and broad. Grinders small, rounded. Thumb rudimentary, 



