178 PRELIMINAEY REPORT UPON THE 



Lepas (Linn.). 



hillii (Dar.). 



anatifera (Linn.). 

 Scalpellum (Leach). 



vulgare (Leach). Attached to Plumularia. 



Pycnogonida. 

 Pygnogonum (Briin). 



littorale (Miill). Sound ; Drake's Island. 



MOLLUSCA. 



Lamellihranchiata. 

 Teredo (Sell.). 



norvegica (Speng.). In submerged wood in Sound. 



navalis (Linn.). In wood piles in rocks. 



megotara (Haul.). 



var. mionota. Drift wood in Plymouth. 



malleolus (Turt.). In Plymouth. 

 Pholas (Linn.). 



dactylus (Linn.). In stones of Breakwater (Bellamy). 



striata (Linn.). In mahogany in ship-building yards. 



crispata (Linn.). Bellamy records it. 



parva (Penn.). Bellamy records it. 

 Saxicava (F. de Bell.). 



arctica (F. & H.). In limestone rocks, around Sound and at Breakwater. 



rugosa (Linn.). In limestone rocks, around Sound and at Breakwater. 

 Venerupis (Lam.). 



irus (Linn.). In crevices of limestone rocks. 

 Mya (Linn.). — 35 fathoms. 



arenaria (Linn.). Common all along south coast. 



truncata (Linn.). Only one specimen found. 

 Panopea (M. de la Groye). 



plicata (Mont.). Trawl refuse off Plymouth. 

 Corbula (Brug.). 20—180 fathoms. 



gibba (Oliv.). Probably in Sound. 

 Lyonsia (Turt.). 5 — 80 fathoms. 



norvegica (Chaun.). Probably in or near Sound. 

 Thracia (Leach). 30—100 fathoms. 



pubescens (Pult.). In Plymouth Sound. 



convexa (Wood). Probably in the Sound. 



papyracea (Poll.). In the Sound. 



praetenuis (Pult.). Probably near Sound. 

 Solen (Linn.V — 8 fathoms. 



siliqua (Linn.). Abundant in Whitsand Bay, near Raeme Head. 



vagina (Linn.). Probably in deep sand, Whitsand Bay. 



ensis (Linn.). In Whitsand Bay. 



pellucidus (Penn.). Probably in Plymouth Sound. 

 Solecurtis (de Blain). 15 — 25 fathoms. 



antiquatus (Pult.). Rare in Sound. 25 fathoms. 



candidus (Renier). Rare. Probably in Sound. 

 Ceratisolen (Forbes). 15 — 25 fathoms. 



legumen (Linn.). Probably in Sound. 

 Psammobia (Lamk.). 



vespertina (Chem.). Probably in Sound. Muddy sand at low water. 



ferroensis (Chem.). Probably in Sound. Muddy sand at low water. 



tellinella (Lamk.). In the Sound. 25 fathoms. 



costulata (Turt.). Probably in the Sound in deep water. 



