554 



NOTES ON THE INVEKTEBEATE FAUNA AND FISH-FOOD 



Stenorhynchus longirostris. Common 

 luaclius dorsettensis. Not uncommon 

 H3'as coarctatus. One. 

 Maia squinado. Occasional. 

 Cancer pagurus. Occasional. 

 Portunus depurator. Very common. 

 Atelecyclus lieterodon. Common. 

 Corystes cassivelaunus. Not unconi' 

 mon. 



CRUSTACEA. 



Eupagurus Bernhardus. Common. 

 „ Prideauxii. Not uncommon. 



„ cuanensis. Occasional. 



Porcellana longicornis. Common. 

 Galathea dispersa. Common. 

 Crangon vulgaris. Occasional. 



„ spinosus. Two. 

 Scalpellum vulgare. Few. 



Syndosmya alba. Shells. 

 IMactra solida. Shells. 

 Venus striatula. Shells. 

 Lucinopsis undata. Shells. 

 Cyprina islandica. Shells. 

 Cardium echinatum. Shells. 

 Pinna pectinata. Shells. 

 Pecten opercularis. Few alive. 

 Ostrsea edule. Shells. 

 Dentalium entale. Shells, 



MOLLUSCA. 



Trochus zizyphinus. Shells. 

 „ granulatus. Shells. 

 Turritella communis. Common alive. 

 Natica monilifera. Shells. 

 Buccinum undatum. Few alive. 

 Philine aj^erta. Few alive. 

 Loligo Forbesii. Occasional. 

 „ media (?). Occasional. 

 Sepia officinalis. Occasional. 

 „ elegan.s. Occasional. 



TUNICATA. 



Botryllus sp. 1 Few colonies. 



SUMMAEY. 

 HYDROZOA. 



Hydroids were commonest in the " Corner," Campmiularia verti- 



cillata, Sertularclla ijolyzonias, Halecium halecinum, and Hydrallmania 



falcata being the most frequent. Station I. also gave about the same 



number of species, but not in any quantity, Scrtularia ahietina being 



the only common form. 



ACTINOZOA. 



Sagartia parasitica was common on Stations I., IV., VI., IX., and the 



Corner ; absent from Limpet Eocks and Station IVa. Adamsia palliata 



was commonest at Station I. and the Corner. Adinoloba dianthus, very 



common on Station IX., not uncommon Stations V., VI., VII., VIII., 



but absent from Start Bay and Stations IV. and IVa. in Torbay. 



Pcachia triphylla and Sagartia viduata were recorded once from 



Stations II. and III. respectively. 



ECHINODERMA. 



Excepting for the presence of Echinocyamus pusillus in the stomachs of 

 Plaice, the Skerries Bank was quite devoid of Echinoderms. Astropcctcn 

 irrcgidaris, Asterias rubens, Op)hiura ciliaris were more or less common 

 in all the bays, chiefly on line sand and mud. Asterias ylacialis, of 



