OF THE TONGUES OF THE MAMMALIA. 507 



The Circumvallate Pajjillce. (text-figs. 43 & 44 A & B). — Specimen 

 No. 1 (text-fig. 43 A). — Five papillse foi'm a V with long arms. 

 The two anterior papillae are of medium size, the mesial papillae 

 are small, and the posterior papilla is large. All are prominent, 

 smooth and colourless, the fossae are well-marked, and the Valiums 

 appear as clear zones. The apex of the V is far from the 

 epiglottis, and the anterior papillae are close to the edges of the 

 tongue. 



Text-figure 44. 



• 



B. 



C. 



14- 3 " 



% LV.P 



^(iiiih 



G. 

 Tlie tongue of Lagothrix infumatus. 



Within the vallate area there are many conical papillae, and 

 the posterior rows of fungiform papillae enter the mouth of the V. 



Specimen No. 2 (text-fig. 44 A). — Three papillas form an 

 isosceles triangle whose equal sides are long (2 cm.), and the 

 postei"ior papilla is a considerable distance from the epiglottis. 

 The anterior papillae are small and circular, the fossas are well- 

 marked, and the Valiums are divided into lobes by fissures from 

 the fossae. The posterior papilla is oval and surrounded by a 

 prominent furrowed vallum. 



