548 NOTES ON THE INVERTEBRATE FAUNA AND I'lSH-FOOD 



ACTINOZOA. 



Alcj'ouiuin digitatum. Taken once, 

 Sagartia parasitica. Moderately common. 

 Actinoloba dianthus. Moderately common. 



ECHINODERMA. 



Astropecten irregiilarias. Moderately 



common. 

 Solaster jiapposus. Taken once. 



Asterias rubens. Small, common. 

 Opluura ciliaris. Occasional. 

 Ecliinocardinm cordatum. Taken once. 



POLYCHiETA. 



Aphrodite aculeata. Not uncommon. 

 Acholoe astericola. Taken once. 



CRUSTACEA. 

 Maia sqiiinado. Not uncommon. Porcellana longicornis. Not un- 



Portunus depurator. Very common. 

 Eupagurus Bernhardu^;. Moderately 

 common. 



common. 

 Homarus vulgaris. Taken once. 



Solen vagina. In Plaice stomachs. 



„ pellucidus. In Plaice stomachs. 

 Syndosmya alba. In Plaice stomachs. 

 Mactra solida. In Plaice stomachs. 

 Cardium aculeatum. Shells. 

 Pecten opercularis. Not uncommon. 



MOLLUSCA. 



Ostrcea edule. Two. 



Buccinum undatum. Not uncommon. 



Philine aperta. Common. 



Loligo media. (?) Not uncommon. 



Sepia officinalis. Not uncommon. 



Station VI. 



This ground was remarkable for the large number of swimming crabs, 

 Portunus depurator, which were taken on it. Enpagunis Bernhardus, 

 Porcellana longicornis, and Philine aperta were also present in quantity, 

 but not quite so common as Portunus. Gonoplax angidatum and 

 Tun'itella communis, two mud-haunting species, were moderately 

 common, whilst Tritonia Homhergii, a mollusc, which in the Plymouth 

 neighljourhood is generally taken in 30 fathoms, is an interesting record. 

 Antedon hifida was present on the rough ground at the Berry Head end 

 of tlie station. 



Soil, mud ; depth, 8-10 fathoms. 



List of Species. 



HYDROZOA. 



Sertularia abietina. Not uncommon. 



ACTINOZOA. 



Alcyonium digitatum. Not unconuuon. Adanisia i)alliata. Not uncommon. 



Sagartia jjarasitica. Common. , Actiiiololja diaiitluis. Not uncommon. 



