314 DR. C. P. SONNTAG ON THE ANATOMY 



The Arabian Baboon (P. hamadryas). 

 Habitat : Arabia and Abyssinia.. 



The spatulate tongue has the following measurements : — -Total 

 length 7"4 cm. ; length of the oral part 5*7 cm. ; length of the 

 pharyngeal part 1;7 cm.; width between the lingual attachments 

 of the palato-glossal folds 2*6 cm. ; width of the anterior third 

 2 - 9 cm. 



The flat apex has no mesial notch, and its papillae are insigni- 

 ficant. The lateral borders are rounded, and their papilla? are also 

 small ; their fungiform papilla? are discrete (separate). Running 

 back from the apex for 2*4 cm. there is a deep mesial dorsal 

 sulcus. 



Text-figure 34. 



P sphinx P- mormon. 



$ 



,11" I MN> ^^TO^/CD 



R hamadryas. Panubis. 



The tongues of the Baboons. 



The upper figures are vallate papillary patterns, and the lower figures of P. sphinx, 

 P. hamadryas, and P. anubis represent lateral organs. 



The Circumvallate Papilla} (text-fig. 34). 



Four papilla? form a V with a backwardly-directed apex. The 



left limb consists of three papilla?, including the posterior 



one, whereas the right limb has two. The posterior papilla is 



large, oval, smooth and glistening, the fossa is clearly cut and has 



