PLATE XIV. 



FIG. 



1. Flustra carbasea, var., p. 123; from a specimen in 



Mr. Norman's collection. See Plate XVI. 



2. BuGULA MuRRAYANA, p. 92 ; nat. size. 



3.  , var. a (fruticosa), nat. size. 



4. , zooecia of the normal form. 



5. , zooecia of var. fruticosa. 



6. , dorsal surface. 



7-9. , avicularia, showing the difference in size 



bet^ 

 cells 



between those on the front and margin of the 



10. Flustra foliaceAj p. 115; palmate form. 

 Sec Plate XVI. 



