INTRODUCTION 



Genus Leontocebus. 



Subgenus Tamarinus. 



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

 p. IX. Type Hapale chrysomelas Wied. 



114. Leontocebus labiatus 



115. Leontocebus pileatus 



116. Leontocebus thomasi 



1 17. Leontocebus nigrifrons 



118. Leontocebus nigricollis 



119. Leontocebus chrysopygus 



120. Leontocebus mystax 



121. Leontocebus weddeli 



122. Leontocebus devellii 



123. Leontocebus apiculatus 



124. Leontocebus illigeri 



125. Leontocebus tripartitus 



126. Leontocebus lagonotus 



127. Leontocebus fuscicollis 



128. Leontocebus graellsi 



129. Leontocebus imperator 





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Subgenus Marikina. 



130. Leontocebus rosalia Vol. I, 209 



131. Leontocebus leoninus " I, 210 



132. Leontocebus chrysomelas " I, 211 



Genus GIdipomidas. 



GiDrpoMiDAs Reichenb., Vollstand. Naturg. Affen, 1862, p. 5, 

 pi. II, figs. 18-20. Type Simia cedipus Linnaeus. 



133. QEdipomidas cedipus Vol. I, 213 



134. GiDIPOMIDAS GEOFFROYI " I, 214 



135. CEdipomidas salaquiensis Vol. Ill, Appendix 



Genus Callitiirix. 



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

 Simia jacchus Linnaeus. 



136. Callithrix argentata Vol. I, 221 



137. Callithrix leucopus " I, 222 



