6 CORALS AXD CORAL ISLANDS. 



body in this species had a delicate texture throughout, its walls 

 being so transparent that the organs within could be seen 

 through them. It was exceedingly flexible and passed through 

 various shapes, imitating vases of many forms, wine glasses, 

 goblets, &C. It was generally very slow^ in its changes, and 

 sometimes continued in the same vase-attitude for a whole 

 day. 



I'AKACrib KAl'IFOK.MIS, KUW. 



Actiniae vary immensely in size— from an eighth of an inch 

 and smaller in the diameter of the disk to over a foot — 

 though commonly between half an inch and three inches. 

 One species from the Paumotu Coral Archipelago in the 



