of the Fishery Board for Scotland. 



237 



^Natica Alderi, Forb., East Loch Tarbert and off Battle Island. 



„ Montacutt, Forb., off Battle Island. 

 Lamellaria perspieica (L.), on stones between tide marks, East Loch 



Tarbert, frequent. 

 *Velutina laevigata (Penn.), East Loch Tarbert. 

 •^Tricliotropis borealis, Brod. and S., Furlong Bay. 

 '^Aporrkais pes-pelecani (L.), Furlong Bay, off Battle Island, &c. 



SiPHOBRAN CHIATA. 



Cerithiopsis tuber adaris (Mont.), East Loch Tarbert and Sunidale Bay. 



Purpura lapillus (L.), common. 



*Bucdnum undatum, L., East Loch Tarbert. 



^Fusus gracilis (Da C), Lochfyne. 



Nassa incrassata (Str.), East Loch Tarbert. 



„ reticulata, L., East Loch Tarbert. 

 Defraiicia liriearis (Mont.), dead shells, off Battle Island and in East 

 Loch Tarbert. 



*Pleuroto7na turricula (Mont.), East Loch Tarbert (living), off Battle 



Island (dead shells), 

 Cypfaea europea (Mont.), on rocks at extreme low water, Lochfyne. 



Pleurobranchiata. 



Utriculus truncatuliLs (Brug.), East Loch Tarbert. 



„ hyalinus (Turt.), East Loch Tarbert. 

 Acta&on tornatilis (L.), Laggan Bay, 



Scaphander lignarius (L.), Furlong Bay and off Maol-Dubh Point in 15 

 fathoms. 



^Aplysia punctata, Cuv., White Shore, East Loch Tarbert. 

 Pleurohranclius plumida (Mont.), between tide marks, and dredged, East 

 Loch Tarbert. 



NUDIBEAJ^CHIATA. 



jiUjiiatio^y^c? \u Pellibranchiata. 



Elysia viridis, Mont., common in Zostera bed. East Loch Tarbert. 



Varies from pale green or brown to a dark sage green. 



POLYBRANCHIATA. ^ 



Hermcea bifida (Mont.), East Loch Tarbert. 



Eolis papulosa (L.), between tide marks, frequent. ' - - 



Eolis Drummondi, Thomp., more common than preceding species. Imma- 

 ture forms are abui^dai}t amongst Zostera, 

 ,, alba, A. and H,, frequent in Zostera bed, East Loch Tarbert, 

 „ Farrani, A. and H., one specimen under stones, East Loch Tarbert" 

 Dendronotus arborescens (Miill.), frequent in Lochfyne, IQ to 20 fathorhk 



ACANTHOBRANCHIATA. 



JEgirus punctilucens (d'Orb,), under stones, East Loch Tarbert, 

 Triopa clavigev, Miill,, between tide marks, East Loch Tarbert, 

 Polycera quadrilineata (Miill.), East Loch Tarbert, 

 „ „ hlcick var. East Loch Tarbert. 



