OF THE BAYS BETWEEN THE START AND EXMOUTH. 547 



MOLLUSC A— continued. 

 Lucinopsis undata Shells. 



Cai'diuni aculeatum. Shells common ; one alive. 

 Mytilus edulis. Taken once. 

 Nucula nitida. In Plaice stomachs. 

 Natica monilifera. Not uncommon alive. 

 Nassa reticulata. Occasionally. 

 Buccinum undatum. Occasionally. 

 Philine aperta. Very common. 

 Sepia officinalis. Occasionally. 



Station IVa. 



Portunus depurator and Philine aperta were the only species at all 

 common. Cardium acnUaUim was taken alive in moderate numbers, 

 and one or two specimens of Portunus arcuatus and Homarus vulgaris 

 were also taken. 



Soil, sand and Zostcra ; depth, 3-5 fathoms. 



List of Species. 

 ECHINODERxMA. 



Asterias rubens. Not common. 



CRUSTACEA. 



Eupagurus Bernhardus. Rare. 

 Porcellana longicornis. Rare. 

 Palinurus vulgaris. Taken once. 



Maia squinado. Occasional. 

 Portunus puber. Taken once. 



„ depurator. Common. 



„ arcuatus. Taken once. I Homarus vulgaris. Taken once. 



Corystes cassivelaunus. Occasional. 1 Crangon vulgaris. Rare. 



MOLLUSCA. 



Cardium aculeatum. Not uncommon 



alive. 

 Mvtilus edulis. Taken once. 



Philine aperta. Very common. 

 Loligo Forbesii. Occasionally. 

 Sepia officinalis. Occasionally. 



Station V. 



This ground was characterised chiefly by its foulness, caused by the 

 presence of old baskets, boxes, rope, etc. Sertularia ahietina, Asterias 

 rubens, Portunus depurator, and Philine aperta were the commonest 

 species. 



Soil, mud ; depth, 6 fathoms. 



List of Species. 



HYDROZOA. 



Sertularia operculata. 



„ cupressina. 



Hvdrallmania falcata. 



Hydractinia echinata. Not uncommon 



Sertularella polyzonias. 



Dijjhasia pinnata. 



Sertularia abietina. Common. 



NEW SERIES. — VOL. VI. NO. 4. 2 O 



