CERCOCEBU S 257 



1855. Wagner, Schreber, Die S'dugthiere in Abbildungen nach der 

 Natur mit Beschreibungen. Supplementband. 

 In this work Cercocebus is made subgenus 3 of Cercopithecus 

 and contains three species viz., C. fuliginosus = C. ^thiops 

 (Schreb.) ; C. collaris — C. torquatus (Kerr) ; and C. cethiops 

 (nee Schreber), = C. torquatus (Kerr). 



1862. Reichenbach, Die Vollstdndigste N aturgeschichte der Affen. 



In this work the genus Cercocebus is made a subgenus of 

 Cercopithecus and has the following species: C. fuliginosus — 

 C. ^THIOPS (Schreber) ; C. cethiops Geoff., = C. torquatus 

 (Kerr) ; and C. collaris Gray, = C. torquatus (Kerr). 



1870. /. E. Gray, Catalogue of Monkeys, Lemurs and Fruit-eating 

 Bats, in the Collection of the British Museum. 

 Four species of Cercocebus are here given: C. cethiops (nee 

 Schreb.), = C. lunulatus Temm. ; C. fuliginosus — C. 

 .ETHiops (Schreber) ; C. collaris — C. torquatus (Kerr) ; and 

 C. albigena. 



1876. Schlegel, Museum d'Histoire Naturelle des Pays-Bas, Simice. 



The genus Cercocebus is here made to contain the species then 

 known that properly belong to it, as well as some species of 

 Pithecus. The Cercocebi are C. fuliginosus ,= C. jEThiops 

 (Schreb.) ; C. cethiops (nee Schreb.), = C. lunulatus Temm., 

 (nee Synon.) ; C. collaris = C. torquatus (Kerr) ; and C. 



ALBIGENA. 



1879. Peters, Monatsberichte Konigliche Akademie der Wissenschaf- 

 ten, Berlin. 

 Cercocebus galeritus first described. 



1886. E. Riviere, in Revue ScientiHque. 

 Cercocebus agilis first described. 



1890. Oudemans, in Zoologische Garten. 



Cercocebus aterrimus first described as Cercopithecus 

 aterrimus. 



1896. E. de Pousargues, in Annates des Sciences Naturelles. 



A review of a few of the species of Cercocebus, and a dis- 

 cussion of the relationships of C. agilis, and C. galeritus. The 

 species included are C. collaris = C. torquatus; C. albigena 

 of which C. aterrimus Oud., is made a synonym, and C. agilis, 

 which is regarded as distinct from C. galeritus. 



1899. Sclater, in Proceedings of the Zoological Society of London. 



Cercocebus aterrimus redescribed as Cercocebus congicus, an 

 albino. 



