5J6 



DR. C. P. SONNTAG ON THE ANATOMY 



more pitted than in other species of the Cebiclse. Many nodules 

 with centi-al depressions are also present on the anterior siirface 

 of the epiglottis. 



The Lateral Organs (text-fig. 49 E). — On each side they form a 

 straight row of laminee and sulci. All the sulci and laminae 

 are short ; the posterior ones are straight, and the anterior ones, 

 which are level with the anterior vallate papillse, are convex 

 forwards. 



The right organ is -9 cm. long, and has 10 laminse and 11 sulci. 

 The left organ is '7 cm. long, and has 8 laminae and 9 sulci. 



Text-figure 49. 





/W^/^//)))jV)^))) ^ 

 1111 I ^■ 



/ J 5 7 10 



The tongue of Alouatta caraya ; 1. 1. tonsils. 



The Inferior Surface (text -fig. 49 B). — The ventral papillary 

 zone is nari'ow, but has papillae disposed in the usual manner-. 



The ventral mesial sulcus is short, but does not open uj) much 

 when traced posterioi'l}^. 



Thefrenum is short, and the f renal lamella is long, narrow, 

 deeply incised at the apex, and has plain sides (text-fig. 49 B, a). 



Carus and Otto (1) described a vallate triangle {A. fuscus) 

 closely resembling that of A. caraya, described above. 



