22 CEBID.—MYCETES. 
The Cararro or Negro Monxry. Lagothrix humboldtii. 
Spiz, Sim. Bras. tab. 37. fig. 7 (skull). 
Cervical vertebra.............. 7 
Dorsal 4-4 :cee pares ang ear eee wis 14 
Gumbar cccociccarsta doves ae 4 
DACHaly ccna cesenaacew nas 3 
Catal wacicicekieek  cicwauees 30 
*a, Skull. Brazils. 
b,c. Skulls. Brazils. From the Zoological Society’s Collection. 
d. Skeleton. Brazils. From the Zoological Society’s Collection. 
e. Skull. District of Quito. From Mr. Bates’s Collection. 
MYCETES. 
% —' rs pa —: 3-3 
Teeth :—Incisors = ; Canines = ; Premolars 3; Molars 5 ;=36. 
The Gotprn Howitzer. Mycetes seniculus. 
Chenu, Encyclop. d’Hist. Nat. Be 181. fig. 150 (skull), fig. 149 
Chloe ae ae Zoologiska Studier, pl. 6. figs. 21, 216 
hyoide 
pl. 2. fig. 4 (skull), 1801. 
Mycetes fuscus, Kuhl—Spir, Sim. Bras. pl. 38. fig. 8 (skull). 
Cervical vertebre.  .......... 7 
TORSO sacmty aged SS, «eephiteets ae ae 14 
Tmbar’ aves Sekt een ete 5 
DaCral: (Aono teases alaawinnes 3 
Caudal 2. 5.0 on ast nsty. ae-ble- gon eat 6 27 
“a, Skeleton: male. 8. America. 
*b, c. Skulls: male and female. Bolivia. From Mr. Bridges’ Col- 
lection. 
d. Skull, Rio Negro. From Mr. Stevens’s Collection. 
The Anaevata or Brown Howtrr. Mycetes ursinus. 
Cervical vertebre.............. 7 
DOA) ee ian see ge oae ae wae AA 
LAID ag ce! “yk debe pas, 5 
DACLB I /, asoiay Go Saeed ae secs 3 
Caudal .ciewiuemonsege, a 5 poke 19 (imperfect). 
*q, Skull. Brazils. 
6. Skull. 
c. Skeleton. From Mr. Brandt’s Collection. 
d, e. Skulls, 
f. Skull; male. From Mr. Brandt’s Collection. 
, 1857.— Audebert, Makis, p. 8. pl. 2. figs. I, 2 (os hyoide), 
