392 



Shell Life 



curious habit of burying itself in the sand, pouring 

 out a stream of water from its funnel and directing 

 it upon one spot so that the light grains would be 



Little Cuttle — upper side 



blown out until a hole was formed sufficiently large 

 to accommodate it. Where small stones mingle with 

 the sand, however, the creature knows that its current 

 has not sufficient power to lift these, so it proceeds 



