FIG. 16. The mode in which a Starfish opens and eats an Oyster. 

 A. The Starfish gathered over its prey. B. Section to showj the 

 position of the sucker-feet on the valves. C. The long stomach of 

 the Starfish absorbing the Oyster through the open valves. (After 

 Schemenz. Permission to use granted by Professor \Henkin^ Berlin. ) 



G 2 



