46 CEBID^H. 



1. Lagothrix Humboldtii. The Oi^eij Capparo. B. M. 



Blacldsh grey ; hairs dark grey, with very short black tips ; head, 

 chest, belly, hands, and tail black ; hair of the belly rather longer, 

 weaker. Young greyer. 



Lagothrix Humboldtii, Gcoffroy, Tab. Quad. Cebus lagothrix, 

 Fisclie)-. Simia lagotricha, Humboldt, Ohs. Zool. i. p. 322. L. canus, 

 Geoff. Tab. Quad. Simia caua, Humh. 



Vnr. ? L. posppigii, Schinz. L. capparo, Lesson. Gasti-imargus oliva- 

 ceus, S2na; Bras. t. 28 (male, good), 1823. 



Hah. Peru ; mouth of Orinoco ; Columbia. 

 The young are paler and less speckled. 



2. Lagothrix infumatus. The lieddish Capparo. B. M. 



Dark reddish grey ; hairs reddish, with black tips ; the head and 

 hands rather darker ; inside of forearms, chest, and belly black ; 

 groin, base of the tail, and sides redder ; hail* of chest and belly 

 abundant, long, and rather rigid. Male. 



Gastrimargus infumatus, Sjn.v, Bras. p. 41, t. 29, female. Lagothrix 

 Casteluaui, Is. Geoff. Castehmu E.iped. Amer. Sud, t. i. female. 



Hah. Brazil. 



Section II. Trichitjea, Tail long, hairij to the end, not, or only 

 feehly prchensUe. Tongue-bone not prominent. Head round. 

 Muzzle short. 



Tribe III. CEBINA. 



Grinders § . §, bluntly tubercular ; cutting-teeth erect, contiguous 

 to the canines ; canines large. Lower jaw not dilated behind. Limbs 

 proportionate. The septum of the orbits bony. Tail very long, hairy ; 

 end convolute. Penis with an expanded marginal gland. Grega- 

 rious, lively, wanton. Living on fruit and insects. 



5. CEBUS. 



The character of the tribe. 



Cebus (partly), Erxl. 

 In Burmeister's Monograph in Abb. naturf. Ges. zu Halle, vol. ii., 

 ho divides the genus thus : — 



* Lumbar vertebrte 5, Head large. 



Cebus fatuellus, Linn. S. Apella, Linn. ; Buffon, xv. t. 4. C 

 frontatus, Kuhl. (Old) S. fatuellus, Linn. ; Buffon, Supp. vii. 

 t. 29. ? C. niger, Geoff. C. lunatus, Kuhl. C. Azai-ee, Rengger. 



Cebus bobustus, Pr. Max. (Old) C. eirrifer, Geoff. 



