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 caecum is also 

 found in Callithnx and PitJwcia. 



Subfamily Nyetipitheeinse. Lower incisors vertical ; hyoid 

 normal ; tail long, non-prehensile ; pollex well developed. 



Three genera are included in this subfamily, the species being 

 partly insectivorous. 



Callithrix. 1 Head small, depressed, and not elongated; nares 



Fio. 339. The Moloch Teetee (CallitTirix moloch). From Archives du Mustum, vol. iv. pi. 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 Nyctipitliecus ; while the 

 1 Geoffrey, Ann. du Mustum, vol. xix. p. 112 (1812). 



