SENSES OF ANIMALS 305 



brain. In the mesentery of the cat the oval nerve ter- 

 minations are just large enough to be clearly visible to the 

 naked eye (Fig. 343). 



The sense of taste is located in the mouth or near the 

 entrance to it. Among mammals it depends upon certain 



FIG. 342. Sea anemone, m, mouth ; the projecting mass at the right is a bud 

 which will soon form a new animal. Photograph two thirds natural size. 



nerve terminations in the mucous membrane of the tongue, 

 palate, and neighboring regions. Special flask-shaped 

 endings are numerous in the several large papilla arranged 

 in a V-shape at the back of the tongue. So acute is the 

 sense of taste in the human that a woman is said to have 

 detected one part of quinine in five million parts of water. 

 Little is known concerning the sense of taste in the 



