CEBIDE.—CEBUS. 23 
The Sitxy Hower. Mycetes laniger. 
*a, Skull. Columbia. 
*}, Skull. Brazils, 
The Brack Howter. Mycetes niger. 
*a. Skull: male. Bolivia. From Mr, Bridges’ Collection. 
b. Skull: female. Bolivia. From Mr. Bridges’ Collection. 
¢. Skull. Bolivia. From Mr. Bridges’ Collection. 
d. Skull. From Mr. Stevens’s Collection. 
é. Skull: female. 
*f. Skull. 
The Brack anp Yrttow Hower. Mycetes bicolor. 
*a. Skull. South America. 
&. Hyoid bone. South America. 
c. Skull. Para. Presented by J. P. G. Smith, Esq. 
The Guarrga or YeLtow-Hanpep Hower. Mycetes beelzebul. 
a. Skull. Para (South America), Presented by R. Graham, Esq. 
6. Skull. Para (South America). Presented by R. Graham, Esq. 
The Manttzep Howrer. Mycetes palliatus. 
*a, Skull. Caraccas. From M. Sallé’s Collection.—The specimen 
figured in P. Z. 8. 1848, p. 138. pl. 6. 
The Caraya or Buack Howitzer. Mycetes caraya. 
Mycetes barbatus, Spix, Sim. Bras. pl. 88. fig. 9 (skull). 
CEBUS. 
‘ a - - 3-3 
Teeth :—Incisors 3 Canines a ; Premolars 3 Molars = ;=36. 
The Monx. Cebus monachus. 
*qa, Skull. South America. 
*b. Skull. Paraguay. 
c. Skull. From Mr. Brandt’s Collection. 
d, Skull. From the Zoological Society’s Collection. 
e. Skull. 
f. Skull. From the Zoological Society’s Collection. 
The Lancer Monx. Cebus robustus. 
Laurent et Bazin, Ann, d'Anat, et de Phys. pl. 1. 8. fig, 6 (dentition), 
