PLANT-ANIMALS, OR ZOOPHYTES. 



149 



That portion of the colony which is persistent and 

 permanent, is the branched and horny polypary\ 



FIG. 22. SICKLE CORALLINE. 



this is the part cast on shore after a storm. The 

 living animal^ are contained within these horny 

 branched tubes, which are slender, and hollow, and 



