564 list of scottish vermtes; 



Sertularia. 



The following species occur on Leith Shore : 

 S. rosacea. On shells and corallines. 

 pumila. On Fucus serratus. 

 operculata. Generally adhering to shells 

 abietina. Very common on oyster and muscle 



shells. 

 cupressoides. 



cupressina. Found in deep water, and detach- 

 ed on the shore. 

 argent ea. 



rugosa. Adhering to Flustra foliacea, and other 

 corallines. 



volubilis. Adhering to flustrae and fuci. 

 halecina. Common on oyster shells. 

 thuya. Dredged from deep water. 

 falcata. Covers the concave shells of the com- 

 mon oyster. 

 antcnnina. From deep water in the Frith. 

 cuscuta. Adhering to fuci* 

 jilicula. 



muricata* Adhering to fuci. 

 itva. Adheres to fuci and corallines. 

 lendigera. Adhering to fuci and corallines. 

 geniculata. On Fucus saccharinus and F. digi- 



tatus. 

 dichotoma. 

 spinosa. 



setacea. On scallop shells. 



polyzonias. 



loriculata* 



