M1M II 1K\N>1'\K 

 ; AGE OF A - 



' 



It sm-ims in the open sea by 

 means of girdles of microscopic 

 cilia shown in the figure. After a 

 period of free swimming and a 

 mr.arkable metamorphosis, the 

 animal settles down on the floor 

 of the sea in relatively shallow 

 water. 



Photo: British Museum (Xatural History) 

 \N INTRICATE COLONY OF OPKN 



(Phvsophora Hydrostatica) RELATED TO| 



PORTUGUESE MAN-OF-WAK 



There is great division of labor in the colonjj 

 the top are floating and swimming "persons"; 

 ones below are offensive " persons " bearing bi 

 of stinging cells; in the middle zone there are 

 tive, reproductive, and ether " persons." 

 of the colony is a fine translucent blue. ' 

 and bathers are often badly stung by this i 

 animal and its relatives. 



A SCENE l\ ill- 



fbowtac a <fcp-M ftsh of Ur* gap*, two feather-star* on the end of long stalk*, a " sea-spider " 

 (or Pyeaogoa) walking on lanky tecs on the treacherous ooxe. likewise a brittle-star, and some 

 Any mm corah. 



