58. The tiger cowrie, Ctjprae tigris, about 

 4 inches long, has a lustrous shell that has 

 long made it the most sought after of South 

 Pacific marine snails. (Great Barrier Reef. 

 Jerome M. and Dorothy H. Schweitzer) 



59. The marbled cone. Conns marmorcus, ranges from Polynesia west to the Indian 

 Ocean. Despite its lovelv shell, a favorite of collectors, it is one of the most dangerous 

 of poisonous cone shells. The tube at the front (right) is the respiratoiy siphon; the 

 proboscis that deals the sometimes fatal bite is retracted. (Great Barrier Reef. Jerome 

 M. and Dorothy H. Schweitzer) 



