INTRODUCTION 



138. Calliturix chrvsoleuca . . 



139. Callithrix goeldi 



140. Callithrix santaremensis 



141. Callithrix aurita 



142. Callithrix penicillata ... 



143. Callithrix p. jordaxi . . . . 



144. Callithrix jacchus 



145. Callithrix flaviceps 



146. Callithrix leucocephala . 



147. Callithrix humeralifer ., 



148. Callithrix albicollis . . . . 



149. Callithrix pygm^ea 



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Genus Callicebus. 



Callicebus Thos., Ann. Mag. Nat. Hist., 7th Ser., XII, 

 1903, p. 456. Type Callithrix personata (E Geoffroy). 



150. Callicebus torquatus Vol. I 



151. Callicebus amictus 



152. Callicebus usto-fuscus 



153. Callicebus cupreus 



154. Callicebus calligatus 



155. Callicebus melaxochir 



156. Callicebus p^nulatus 



157. Callicebus egeria 



158. Callicebus leucometopa 



159. Callicebus subrufus 



160. Callicebus hoffmannsi 



161. Callicebus ornatus 



162. Callicebus remulus 



162a. Callicebus donacophilus 



163. Callicebus emili^ 



164. Callicebus pallescens 



165. Callicebus moloch 



166. Callicebus cinerascens 



167. Callicebus nigrifrons 



168. Callicebus gigot 



169. Callicebus personatus 



170. Callicebus brunneus 



