CEBIDiE. 
IS 
The Sahuassu or Masked Tee Tee. — Callithrix per- 
sonatus, Kuhl ; Pr. Max. 102, 41. Abb. t. Spix, 
Braz . t. 12. 
a. b. and d. Forehead and hands black. Brazils. — Pre- 
sented by Lord Stuart de Rothsay. 
c. Young. Head and tail grey, like the back; forehead 
with only a few black hairs. Brazils. 
TheOiABAssu or White-handed Tee Tee. Callithrix 
Moloch, Geoff. Cebus Moloch, Hoffm. Spix , Bayer . 
Ahad. 1813. t. 17. 
a. Forehead and hands black. Brazils. 
b. Young. Head, tail, and hands like the back. Brazils ? 
The Collared Tee Tee. Callithrix torquatus, Hoffm. 
Cal. torquatus, C. lugens, and C. amictus, Geoff. Spix , 
Braz. t. IS. C. infulatus, Licht.? 
a. Br. Guiana. — From Mr. Schomburgk’s Collection. 
b. Throat redder. Brazils. 
The Cuxio or Bearded Saki. Brachyurus Satanas, 
Cebus Satanas, Hoffm. Humb. Rec . t. 27. S. chiropotes, 
Humb. S. sagulata, Trail. Wern. Trans, hi. t. ? Br, 
Israelita, Spix, Braz. t. 7. Chiropotes couxio, Lesson. 
a. Br. Guiana. 
b. c. Br. Guiana. — Presented by the Royal Geographical 
Society. 
The Yarke. Pithecia irrorata, Gray, Voy. Sulph. t. 
a. Brazils. 
The Black Yarke. Pithecia leucocephala, Geoff. 
Simia leucocephala, Audeb . vi. f. 2. S. Pithecia, 
Schreb. ; Buff. H. N. xv. t. 12. Voy. Sulph. t. 
a. Hair of forehead whitish (faded?). 
b. and c. Hairs of forehead yellow. Brazils. 
The Whiskered Yarke. Pithecia pogonias, Gray, 
Ann. and Mag. N . H. x. 256. Voy. Sulph. t. 
a. b. and d. Male ; c. Female. Brazils. 
