290 



DR. C. F. SONNTAG ON THE ANATOMY 



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

 left postei^ior papilla is large, and the right one is small, but 

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



Text-fio-ure 21. 



■■■'::oii-y'';''i;;;sV'*?.~^'N;'" 



' f-a 



F. 



(ihUfU 



.y.y,to . A Art n n 



3. b. c. 



nAs/oriAAn#w;/ 



a. h. c. d. 



3- 



M- 



The tongue of Cercopithecus ;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 papillse, 



