20 



Fam. 3. CEBID.E. 



ATELES. 



Teeth -.—Incisors H ; Canines tl . Premolars j£j ; Molars 3 -=? ;=36. 



The Chameck. Ateles chameck. 



Ateles pentedactylus, Geoff.— Blainv., Ost. Atl. G. Cebns, pi. 6 (skull, 

 young).— Laurent et Bazin, Ann. d'Anat. et de Phys. pi. 1. 8. tig. 5 

 (dentition). 



Cervical vertebrae 7 



Dorsal 14 



Lumbar 4 



Sacral 3 



Caudal 33 



a. Skull. From the Zoological Society's Collection. 



b. Skeleton. From the Zoological Society's Collection. 



c. d. Skulls. From the Zoological Society's Collection. 



The Waita. Ateles paniscus. 

 Spix, Sim. Bras. pi. 38. fig. 6 (skull). 



The CHrwA. Ateles marginatus. 



a. Skull. District of Quito. From Mr. Bates's Collection. 



b. Skull. Near the River Cupai (branch of the Amazon), 800 miles 



from the sea. From Mr. Bates's Collection. 



The Maimonda. Ateles belzebuth. 



Blainv., Ost. Atl. G. Cebus, pi. 1 (skeleton). — Chenu, Encyclop. 

 d'Hist. Nat. p. 197. pi. 27 (skeleton, male). 



Cervical vertebra? 7 



Dorsal 13 



Lumbar 4 



Sacral 3 



Caudal 33 



*a. Skull. Brazils. Presented by Edward Cross, Esq. 



b. Skull. Brazils. 



c. Skull. From Mr. Stevens's sale-rooms. 



«'. Skeleton. From the Zoological Society's Collection. 



The Black Spider Monkey. Ateles ater. 



a. Skull. From the Zoological Society's Collection. 



b. Skull : young. From the Zoological Society's Collection. 



c. Skull. From the Zoological Society's Collection. 



