196 MARINE MOLLUSCA ; PELECYPODA. 



C. echinatum, //.Mod. c. 



var. ovata, Jeff- Inveraray (M'Nab). 

 C. tuberculatum, L. Bute (Sm.) : Ballantrae (d.) (K.). 



C. exiguum, Gm.. Scarce : Ayr : Bute (Sm.) : Clyde 6 f. (d.) (F.) : Lam lash 

 3-10 f. (L. H.): Cumbrae : outside Tan : Bogany Pt. : Otter (B.) : E. L. 



Tarbert(S.): Cumbrae (R.). 

 C. fasciatum, Mont. c. and widely dist. 



var. globosa, Jeff. Clyde district (B.). 

 C. nodosum, Turt. Locally dist. over all the Firth. 



var. ovata, Jeff. Lamlash 15 f. (Som.). 

 C. edule, L. Abund. 



C. minimum, Phil. Widely dist., but scarce. 

 Laevicardium [^Cardium] norvegicum (Speng.). Not unc. locally. 



Fam. Psammobiidae. 



Psammobia tellinella, Lmk. Widely dist., but scarce. 

 P. COStulata, Turt.'Very r. ; Ayr (Sm.) : off Carradale 28 f. (M.). 

 P. ferroensis (Chem.). Mod. c., rather scarce (L). 



Psainmocola [ = Psammobia] depressa, Penn [ = vespertina] Very r., 

 L. Eanza (L.) : Lamlash 15-25 f. (H.). 



Fam. Myidae. 



Mya arenaria, L. c. 



var. lata (/. Sow.). Cumbrae (E.) : L. Goil 24-40 f. (M.). 

 M. truncata, L. c. 

 Sphenia [=Mya] binghami, Turt. r. ; Clyde (M'A.) : Arran (L.) : Millport 



(Som.). 

 Corbula gibba (Olivi.). Locally abund. 



var. rosea, Bro. Gareloch 10-22 f. (K.). 



Fam. Solenidae. 



Solecurtus scopula (Turt.) [ = candidus]. Very scarce: Lamlash (d.) (H.) : 



Tan Spit : off L. Cumbrae 8-15 f. (d.) (B.) : Cumbrae, alive (R.) : Sanda, 



19 f. (M.). 

 S.antiquatus(/W.). Scarce (I.): Lamlash (c?.)(H.): Brodick 23 f. (Henderson. 



Som.) : Kilbrennan Sd. 50 f. (d,} (Som. C.) : Machrie B. 20-29 f. (d.) : Sanda 



to Carradale 18-21 f. (c?.) : Kyles (K.) : Campbeltown L. 8 f. (Gray) : 



L. Cumbrae 15-20 f. (B. E.) : L. Fyne (C.). 



Cultellus [ = Solen] pellucidus (Penn.). Gen. dist., and not unc. 

 Ensis [ = Solen] ensis (L.). c. locally. 

 E. siliqua (L.). c. on all sandy coasts. 



var. arcuata, Jeff. Not so c. as preceding : E. L. Tarbert (S.) : Cumbrae 



(E. B.) : L. Goil : Strachur (M.) : Kyles (K.). 

 [Solen vagina, L. Bute (Sm.) : Innellan (Mrs. Brockbank) : in Millport (E.> 



and Campbeltown Museums as " S. siliqua var. marginatou" .~\ 



Fam. Saxicavidae. 



Saxicavella [= Panopea] plicata (Mont.). r.; L. Fyne (I.) (Bar.) : Largs 20 f. 

 (E) : Portincross (d.) : off Dunoon : L. Eidden (Som.) : L. Gilphead, one 

 (L) (B.), L. Long 24 f. : Kyles : Gareloch, 6 perfect : Lamlash B. 22 f. 

 (K.) : Tighnabruaich : 6 (I.) Kirn to Skelmorlie 5-30 f. (C.). 

 Saxicaya ragosa (L.). c. 

 S. arctica (//.). c. 



var. praecisa, Mont. Cumbrae: L. Fyne (E.) : Lamlash (H.): Tarbert 



16 f. : Skipness (Som.). 

 var. cylindrica, S. Wood. Lamlash (Mar.). 



