290 



DR. C. F. SONNTAG ON THE ANATOMY 



papilla of each limb is large, and the middle one is small. The 

 left posterior papilla is large, and the right one is small, but 

 both stand on the summit of a common elevation (text-fig. 21 G). 



Text-fiarure 21. 





a. b. c. d. 



Inf Q[^AAa #n// 



3- 



M. 



The tongue of Cercopithecns patas. 



B. Ventral surface of an adult specimen ; C. Ventral surface of 

 a young specimen. Other letters in text. 



This specimen is an example of a double-pair type greatly modified 

 by the addition of small papillae, 



