CHASTER AND HEATHCOTE : MOLLUSCA OF OBAN. 309 



Lepton squamosum, Mont. [A.M.N.]. A worn valve 



dredged. 

 ■** L. nitidum, Clark. Two valves dredged in Kerrera Sound. 

 ** Cardium echinatum, L. Valves only dredged. 

 C. edule, L. [A.M.N. ; Lochnell beach near Dunstaffnage, 



R.D.D. MS.]. In a small sandy bay past DunoUy. 

 C. minimum, Phil. [Small valves, R.D.D. MS.]. A few 



small live examples dredged in Kerrera Sound and off 



Lismore. 

 C. fasciatum, Mont. Common throughout the district, but 



generally of small size. 

 C. nodosum, Turt. [A.M.N.] Dredged alive and dead very 



sparingly in Kerrera Sound and off Maiden Island. 

 Laevicardium norvegicum, Speng. {Cardhun norvegician.) 



[R.D.D.]. Valves dredged off Maiden Island. 

 Cyprina islandica, L. A dead specimen dredged. Alive on 



Coram Ledge. 

 Isocardia cor, L. [Between Kerrera and Lismore, Forbes; 



A.M.M. ; in the McAndrew collection at Cambridge there 



is a family of this species, young, middle, and aged, on a 



card marked Oban. Mr. Anderson Smith, of Ledaig, says 



Admiral Bedford got this in mud off Lismore and S.E. of 



Mull on deep sea lines, R.D.D. MS.]. Two valves, one 



quite fresh, between Maiden Island and Lismore. 

 Tapes pullastra, L. [A.M.N. ; R.D.D. MS.]. Common 



on Coram Ledge. The specimens, though agreeing in 



size and shape with pullastra, have stronger sculpture than 



usual. 

 T. virgineus, L. Dredged alive, generally of small size. 



Many of the specimens may be referred to the var. elongata, 



Jeff. 

 Circe minima, Mont. Dredged alive. Generally distributed 



but not very common. Almost all the specimens obtained 



are wholly white. 



