1 INTRODUCTION 



Genus Leontocebus. 

 Subgenus Tamarinus. 



Leontocebus Wagn., Schreb., Saugth. Suppl., 1. 1839, 



p. IX. Type Hapale chrysomelas Wied. 



Page 



114. Leontocebus labiatus Vol. I, 195 



115. Leontocebus pileatus " I, 197 



116. Leontocebus thomasi " I, 198 



117. Leontocebus nigrifrons " I, 198 



118. Leontocebus nigricollis " I. 199 



119. Leontocebus chrysopygus " I, 200 



120. Leontocebus mystax " I, 201 



121. Leontocebus weddeli " I, 202 



122. Leontocebus devellii " 1. 203 



123. Leontocebus apiculatus " I, 204 



124. Leontocebus illigeri " I, 205 



125. Leontocebus tripartitus " 1, 206 



126. Leontocebus lagonotus " I, 206 



127. Leontocebus fuscicollis " 1, 207 



128. Leontocebus graellsi " L 208 



129. Leontocebus imperator " L 209 



Subgenus Marikina. 



130. Leontocebus rosalia Vol. I, 209 



131. Leontocebus leoninus " I, 210 



132. Leontocebus chrysomelas " L 211 



Genus CEdipomidas. 



CEdipomidas Reichenb., Vollstand. Naturg. Aflfen, 1862, p. 5, 

 pi. n, figs. 18-20. Type Simia cvdipus Linnaeus. 



133. ffiDIPOMIDAS CEDIPUS Vol. L 213 



134. QlDIPOMIDAS GEOFFROYI " L 214 



135. CEdipomidas salaquiensis \'ol. IH, Appendix 



Genus Callithrix. 



Callithrix Erxl., Syst. Reg. Anim.. 1777. p. 55. Type 

 Simia jacchus L.inn^us. 



136. Callithrix argentata Vol. T. 221 



137. Callithrix leucopus " I, 222 



