204 Proceedings of the Royal Physical Society. 



Scrupocellaria scrwposa (Linn.). 



Stations 2, 4, 6, 7. 



SCRUPAEIAD^. 



ScTUparia chelata (Linn.). 



Stations 8, 11. 

 Hip2^othoa divaricata (Lam.). 



Station 4. 

 jEtca tnoncata (Landsb.). 



Stations 2, 4. 



Gemellariad^. 



Gemellaria lorieata (Linn.). 



Stations 2, G. 



BlCELLARIAD^. 



Bicellaria ciliata (Linn.). 



Station 8. 



Flustrad.^. 

 Flustra foliacea (Linn.). 



Station 2. 

 Carbasea papyrea (Pall.). 



Station 9. 



Membraniporid^. 



Membranipora memhranacea (Linn.). 



Stations 1, 4, 7. 

 M. pilosa (Linn.). 



Station 3. 

 Lepralia coccinea (Abildg.). 



Station 4. 

 L. ciliata (Linn.). 



Stations 1, 4. 

 Z. trispinosa (Johnst.). 



Station 6. 

 L. hiforis (Thomp.). 



Station 7. 

 Z. hyalina (Linn.). 



Station 7. 



