286 P1THECIA 



ranged, none of which are now included in it. Callithrix pithe- 

 cia for Pithecia pithecia is the first one given. 



1807. Hoffmannsegg, in Magasin fur die neuesten Entdeckungen in 

 der gesammten Naturkunde. 

 Pithecia satanas as Cebus satanas first described. 



1811. Humboldt et Bonpland, Recueil d' Observations de Zoologie 

 et d'Anatomie Comparee. 



In the subdivision Pithecia, all the species are retained in Simia. 

 Pithecia chiropotes first described as Simia chiropotes. Other 

 species given are (S.) satanas; (S.) rufiventer = P. pithecia; 

 (S.) monachus first described; (S.) azaree = Aotus miri- 

 quouinus ; (S.) leucocephalus var. C. P. monachus ; 2d sub- 

 genus Yarkea, with (F.) leucocephala = P. pithecia middle 

 age ! P. hirsuta Spix, young, and P. inusta = P. monachus ; 

 3d subgenus Chiropotes, with (C.) cuxio = P. satanas; var. 

 A. (C.) chiropotes; var. B. P. sagulato = P. chiropotes. 

 The discrimination shown of the specific values is not great, ' 

 and the arrangement confusing and unnecessarily complicated. 



1842. /. E. Gray, in Annals and Magazine of Natural History. 

 Pithecia pithecia redescribed as P. pogonias. 



1844. /. E. Gray, in Zoology of the Voyage of the Sulphur. Mam- 

 malia. 



Pithecia monacha redescribed as P. irrorata; P. pogonias, 

 and P. leucocephala both = P. pithecia. 



1848. /. Geoffroy Saint-Hilaire, in Comptes Rendus de VAcadkmie 

 des Sciences, Paris. 

 Pithecia albinasa first described. 



1850. /. Geoffroy Saint-Hilaire, in Comptes Rendus de I'Academie 

 des Sciences, Paris. 



Pithecia chrysocephala first described. 



1851. /. Geoffroy Saint-Hilaire, Catalogue des Primates. 



Six species of Pithecia are here given. They are P. leuco- 

 cephala = P. pithecia; P. chrysocephala; P. rufiventer = 

 P. pithecia; P. monachus; P. albinasa; and P. satanas. 

 1855. Wagner, Schreber, Die Sdugthiere in Abbildungen nach der 

 Natur mit Beschreibungen. Supplementband. 

 Seven species are here recognized but only three belong to the 

 genus Pithecia. P. leucocephala with B. P. rufiventer = P. 

 pithecia; P. albinasa; P. satanas; P. chiropotes. The 

 other species mentioned belong to the genus Cacajao. 



