112 



THE FAUNA OF THE DEEP SEA 



on sea-weeds, corals, or other objects fixed to the sea- 

 bottom. In the open, free extremity of each of the 



FIG. 12. A portion of a colony of RhaMoplcura normam. 



(After Lankester.) 



branches may be found the polypide attached to a 

 filament or stalk which connects it with the other 

 polypides of the colony (fig. 12). 



