OF THE TONGUES OF THE MAMMALIA. 



317 



directions of the latter are not so clearly marked as in other 

 Oercopithecidse. In their type and ari-angement, and their 

 enormous development on the base of the tongue, they resemble the 

 conical papillte of the Gorilla. They differ in the latter respect 

 from the conical papillaj of P. anubis. The points of the papillae 

 are directed backwards, or backwards and inwards in the usual 

 manner. 



Text-figure 35. 



;iis,,,vvvvvv/ 



Xft^nn 



The dorsum, inferior surface, and lateral organs of Papio porcarms, and tlie 

 fungiform and conical papillte of the Baboons. 



When they are examined through the lens it is seen how they 

 present a large variety of forms which are shown in text-fig. 35. 



Behind the apex, on the dorsum, there are many cylindrical 

 and a few filiform papillaR. In the middle third the papillary 

 bodies are flat and scale-like, and their margins are plain or 

 prolonged into a variable number of processes. On a zone lateral 

 and posterior to the large vallate papillae the conical papillse are 



99* 



