OF THE TONGUES OF THE MAMMALIA. 



319 



The apex has a mesial notch whence a mesial dorsal sulcus runs 

 backwards for 2" 3 cm. It has many fungiform papillae. 

 The structures mentioned on page 278 are absent. 



The Circumvallate Papillce (text-fig. 34j. 

 The vallate area consists of two anterior papillae, and a mesial 

 cluster of three small papillae standing on a plane surface. The 



Text-figure 36. 



Rhamadryas 



my 



Ranu&i's. P. mormon. 



The frenal lamellce of the Baboons *. 



anterior papillae are oval and retracted, the fossae are clearly 

 defined, and the Valiums appear as prominent zones. All papillae 

 are smooth, but the Valiums are granular. 



* Several of the figures are reproduced from sketches lent to me by. Mr. R. I, 

 Pocock. 



