xxxviii INTRODUCTION 



Zati Reichenb., Vollstand. Naturg. Affen, pp. 130-133, pi. 



XXIII, figs. 327-331. Type Simla sinica Linnseus. 



Nemestrina Reichenb., Vollstand. Naturg. Affen, pp. 130-140, 



pi. XXIV, figs. 349-353, 359-363. Type Simla nemestrinus 



Linnseus. 



Petaurista Reichenb., \'ollstand. Naturg. Affen, pp. 105-107, 



pi. XVIII, figs. 251-261. Type Cercopithecus petaurista 



Schreber. 



Drill. Reichenb., Vollstand. Naturg. Affen, p. 162. Type 



Simla leucophcca F. Cuvier. 



Trachypithecus Reichenb., Vollstand. Naturg. Affen. No 



type declared. Subgenus of Pygathrix. 



1865. Cebuella Gray, Proc. Zool. See. Lond., p. 734. Type Hapale 

 Pygmcea Spix. 



1866. Engeco Haeckel, Gen. Morph. Organ., II, CIX, footnote. Type 

 Simla troglodytes Gmelin, = Simla satyrus Linnaeus. 

 Gymnopyga Gray, Proc. Zool. Soc. Lond., p. 202. Type 

 Macacus inornatus Gray, = Macacus maurus F. Cuvier. 



1870. Chlorocebus Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., 

 pp. 5, 24. Type Simla pygerythra F. Cuvier. 

 Guereza Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., pp. 

 5, 19. Type Colobus guereza Riippell. 



Ch^ropithecus Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., 

 pp. 5, 35. Type Simla leucophcra F. Cuvier. 

 Entellus Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., p. 

 14. Type Semnopithecus johnii (Fischer). 

 Cvnocebus Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., 

 p. 26. Type Cercopithecus cynosurus Geoff roy. 

 Semnocebus (nee Less.), Gray, Cat. Monk. Lem. F-eat. Bats, 

 Brit. Mus., p. 27. Type Pygathrix alblgena (Gray). 

 Hapanella Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., 

 p. 65. Type Hapale geoffroyi Pucheran. 



Mystax Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., p. 

 66. Type Midas mystax Spix. 



Tamarin Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., p. 68. 

 Type Midas ursulus Geoffroy. 



Seniocebus Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus., p. 

 68. Type Midas blcolor Spix. 



jMicoella Gray, Cat. Monk. Lem. F-eat. Bats, Brit. Mus.. p. 

 130. Type Mica sericeus Gray, = Callithrlx chrysoleuca 

 Wagner. 



