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ANIMAL LIFE 



These and other needed gifts the waters possess. 

 The open sea rocks them day and night ; its even 

 temperature shields them ; its foam invigorates and 

 aerates them. Nor has their mother left them without 



FlG. 36. The Palolo-worm (Eunice viridis} from Samoa. This sea-worm 

 consists of two obvious regions, a head-end bearing tentacles, and a far 

 longer tail-end bearing eye-spots. These two portions part company 

 on the nights of a certain tide in October and November, the tail-end 

 going out to sea, the head-end remaining on the reef and in time 

 regenerating a new tail. (After Woodworth.} 



some safeguards. She liberates them in myriads 

 of glassy, invisible droplets from a spot whence the 

 current sets for the shore ; she provides them with a 

 float to keep them near the surface ; so that when 



