168 PRELIMINARY REPORT UPON THE 



Cribrella (Ag.). 



oculata (Penn.). Plentiful. 

 Luidia (Forb.). 



savignii (And.). Taken off Plymouth. 



sarsii (Duben and Koren). Taken off Plymouth. 



Ophiuroiclea. 

 Ophiura (Lam.). 



texturata (Lam.). Sandy shores. 



albida (Forb.). In the neighbourhood (Rogers). 

 Ophiocoma (Ag.). 



neglecta (Johnston). Under stones under the Hoe (Bellamy). 



filiformis (Miill.). Inside east end of breakwater (Stewart). 



granulata (Link.). Off Plymouth in deep water (Bellamv). 

 Ophiothrix (M. Tr.). 



fragilis (Miill.). Common. 



Echinoidea. 



Echinus (Bond). 



esculentus (Penn.). In the Sound. 



acutus (Lam.). In the neighbourhood (Rogers). 

 Echinocyamus (Leske). 



pusillus (Miill.). Dredged in crevices of stone. 

 Spatangus (Klein). 



purpureus (Miill.). Off Plymouth, occasional. 

 Amphidotus. 



cordatus (Penn.). Very common. 



Holothuroidea. 



Holothuria (Linn.). 



nigra (Peach). Not uncommon. 

 Cucumaria (Blainv.). 



pentactes (Miill.) Frequent. 



hyndmani (Thompson). In holes outside Breakwater. 

 Ocnus (Forb. and Good.). 



brunneus (Forbes). Dredged in Sound. Not uncommon. 

 Synapta (Esch.). 



digitata (Montg). On rocky shores. 

 Thyone (Oken). 



papillosa (Miill.). In the neighbourhood (Rogers.). 



VERMES. 



Platyhelminthes. 



Turhellaria. 



Leptoplana (Hempr., Ehrenb.). 



tremellaris (0. F. Vliill.). Fairly numerous on seaweed, on rocks in Souml. 



Nemertina. 

 Nemertes (Cuv.). 



borlasii (Cuv.). In the neighbourhood (Rogers). 



neesii (Oerst). .' Rocks. Drake's Island. 

 Micrura (Ehrb.). 



fasciolata (Ehrb.). Trawled in the Sound. 

 Amphiporus (Ehrb.). 



pulcher (0. F. Miill.). Rocks. Drake's Island. 



