THE FAUNA OF THE SALCOMBE ESTUARY. 185 



Hymeniacidon sanguineum, Grant. Very abundant on the Sal- 

 stone and other parts of the Kingsbridge estuary, forming large clusters 

 on the muddy gravel of the shore. 



SuBERiTES DOMUNCULA, OHci. On the shore at the Salstone ; also 

 common in dredgings in the channel, both in Kingsbridge estuary and 

 in Salcombe Harbour. Inhabited by hermit-crab {Eupagurus cuanensis). 



Cliona celata, Grant. Boring in shells dredged in Salcombe 

 Harbour. 



HYDROZOA. 



[Nomenclature : Hincks, British Marine Rydroids.] 



Hydractinia echinata (Fleming). On shells inhabited by Eupagurus 

 Bernhardus from the Salstone, and from the channel between the 

 Salstone and Snape's Point. 



Clytia Johnstoni (Alder). Abundant on shells and weeds dredged 

 in all parts of the channel from the Salstone to the mouth of Salcombe 

 Harbour. 



Obelia geniculata {Linn.). Dredged in Salcombe Harbour: a small 

 colony growing on Trochus magus shell. 



Halecium Beanii, Johnston. Dredged between Salstone and Snape's 

 Point. 



Sertularella Gayi, Lamourovx. Dredged in the "Bag" off Snape's 

 Point, a clean shell-gravel ground. 



Sertularella polyzonias (Linn.). A few small pieces only, dredged 

 in the channel between Salstone and the mouth of Salcombe Harbour. 



Sertularia argentea, Ellis and Solander. Common in dredgings 

 from the channel west of the Salstone to the mouth of Salcombe Harbour. 



Sertularia pumila, Li7i7i. Growing on Laminaria, etc., on the 

 rocks at the mouth of Salcombe Harbour. 



Antennularia antennina (Linn.). Dredged in the channel between 

 Salstone and Snape's Point. 



Aglaophenia tubulifeea, Hincks. Small colony dredged in the 

 channel west of Salstone. 



Plttmdlaeia setacea (Ellis). Abundant, growing on Ascidiella from 

 the channel west of the Salstone. Several colonies were dredged also 

 between Salstone and Snape's Point, and one or two small ones from 

 Salcombe Harbour. 



ACTINOZOA. 



[Nomenclature: Gosse, British Sea Anemones and Corals.] 



Sagartia bellis (Ellis and Solander). This anemone occurred in 

 extraordinary profusion in certain parts of the estuary. The conditions 

 under which it can best flourish are found where stones or gravel lie 



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