438 



MOLLUSCA : BUYOZOA 

 FIG. COS. 



Bryozoa. 



1. Hornrra lichenoides ; 2. Portion of the same enlarged. 

 3. Discopora Skenei, enlarged. 



of minute cells, and present a very beautiful appearance 

 when examined by means of a magnifying glass. 



FIG. 669. 



Sea-Mat, Flustra/vliacea. 



