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ZOOPHYTES, 



identify one of the most frequent, the common 

 Sea-fir (Sertularia abietina) ; its elegant sprays clus- 



tering often upon shells and stones, or snapped off 

 by wind or wave and thrown upon the shore, has 

 met the eye of every rambler there, who observes 

 the objects around him. It grows upon any kind 

 of shell, and it is seldom that oysters can be 

 dredged up from the sea, without having some of 

 their number adorned with this graceful coralline. 

 It rises upright like a little fir-tree, or it resembles 



