CEBID 713 
upwards of “10 inches along the greater curvature ; it is separated 
from the colon by a very marked constriction ; it is not sacculated, 
and when fully distended with air is curved on itself into a little 
less than a circle; it is furnished with a well-developed median 
frenum carrying blood-vessels.” A similar type of cecum is also 
found in Callithria and Pithecia. 
Subfamily Nyetipithecinz.—Lower incisors vertical; hyoid 
normal ; tail long, non-prehensile ; pollex well developed. 
Three genera are included in this subfamily, the species being 
partly insectivorous. 
Callithria..—Head small, depressed, and not elongated; nares 
Fia. 339.—The Moloch Teetee (Callithria moloch). From Archives du Muséwm, vol. iv. pl. 3. 
widely separated ; canines small; angle of mandible expanded as in 
Pithecia ; tail with long hair. 
This genus comprises several small species, mostly from Brazil 
and the Amazons, and commonly known as Teetees, one of the 
best-known species (C. moloch, Fig. 339) being represented in the 
accompanying woodcut. The smaller eyes and the more widely 
separated nostrils distinguish them from Nyctipithecus , while the 
1 Geoffroy, Ann. du Muséum, vol. xix. p. 112 (1812), 
