34 Dzvellers of the Sea and Shore 



eater of all flesh, be this dead or alive. What is more, 

 it will with equal readiness devour one of its own 

 species. 



MOON SNAIL WITHDRAWN IN ITS SHELL. THE DARK AREA IN THE OPENING OF THE 

 SHELL IS THE OPERCULUM, OR "DOOR," WHICH PROTECTS THE ANIMAL FROM 

 WITHOUT. 



Curiously, this active creature is blind. Yet it is 

 unerring in the detection of its prey. This ability to 

 find its food, of course, is due to a sense organ, the 

 nature of which is not hard to guess. It is an ability 

 somewhat like that of a dog's on the scent of game; 



