234 



Appendices to Fourth Annual Report 



Rata hatis, L. (common skate), fished principally in the winter and from 

 the West Loch and Sound of Gigha. 



„ davata, L. (thornback ray), frequent during the winter fishing. 



The above are all the species of fishes that have come under our notice 

 at Tarbert during the past year ; there are doubtless many more still to be 

 recorded. The list of Elasmobranchs is very imperfect, no special atten- 

 tion having been given to this group. 



BRACHIOPODA. 



Terebratula caput-serpentis, L., fairly common off Battle Island in 40 

 fathoms, and in other localities. 



Crania anoinala (Miill.), abundant and large, near Maol-Dubh Point, 12 to 

 15 fathoms. Frequent also in other parts of the loch, 

 usually at a. depth of less than 20 fathoms. 



MOLLUSCA. 



LAMELLIBRANCHIATA. 

 AsiPHONiDA, Flem. (1828). 

 *Anomia ephippium, L., common. 



Ostrea edulis, L., generally distributed but small and scarce. 

 Pecten pusio (L.), a few off Skate Island, 14 fathoms, and East Loch 

 Tarbert. 



* „ varius^ L., East Loch Tarbert. 



„ op&rcularis (L.)^ common. The lower (convex) valve is frequently 

 covered with a soft pink sponge, amongst which are 

 specimens of Tuhularia, &c. 



„ septemradiatus, Miill., common and of fair size, but local. Exceed- 

 ingly plentiful in the deep water (104 fathoms) off Skate 

 Island. 



* „ tigrinus, Miill, not uncommon off Battle Island (40 fathoms) and 



in other. localities. 

 „ „ var. costata, Jeff, in 40 fathoms, off Battle Island. 



„ striatiLs, Miill, Furlong Bay and Maol-Dubh Point. Not 



common. 



„ maximus (L.), off Skate Island in 14 fathoms and in other 

 localities, but not very plentiful 

 Lima suhauriculata (Mont.), dead shells off Battle Island in 40 fathoms. 



„ Jiiayis (Gmel), off Battle Island in 40 fathoms. 

 ^Mytilus edulis, L., Fairly plentiful in East and West Loch Tarbert 

 generally. In the latter it is larger and more abundant. 

 „ modiolus J L., common. 

 Modiolaria marmorata (Forb.), imbedded in the mantle of Ascidia 

 mentula, which is abundant on the long bank (10 to 16 

 fathoms) off the mouth of East Loch Tarbert. 

 „ discors, L., attached to roots of Laminaria, &c., East Loch 

 Tarbert and other localities. 

 *Nucula nitida (G. B. Sow), Battle Island, not common. 



* ,, tenuis (Mont.), occasional, off Battle Island. 



*Leda minuta (Miill), off Battle Island. -^..jr^k 

 Pectunculvs glycymeris, L., single valve of a dead shell in coralline bed, 

 19 fathoms, Sunidale Bay. 



