MARINE MOLLUSCA; PELECYPODA. 193 



(S.) : offCallum's Hole, Bute(R.) : off Craigmore : Tan Spit : off Silvercraigs 



10 f. (B.) : Inveraray 10-40 f. : Skipness (C.). 

 L. loscombi, G. B. Sow. Widely dist., but rather r. ; Holy I. 10-15 f. (G. & 



M.) : Cumbrae (E.) : off Shellbole B. very fine, but not in nests (B.) : 



Skelmorlie: L. Fyne 100 f . : Kilbreunan Sd. 10-20 f. (M.): off Sanda I. 



19 f. (K.) : Lam lash 15 f. (Som.) 

 L. hians (Gm.). abund. locally, esp. in Lamlash B. (L. N. H. G. & M.) : Sanda 



19-25 f. (K.): Tan (R.): Ardbeg, Bute (B.). 

 [var. tenera, Turt. Arran (Sm.): E. of Sanda, 160 specimens, dead, 40 f. 



(Hy.)?] 



Fam. Kelliellidae. 



Turtonia [ = Cyamium] minuta (Fabr.). Allans, Cumbrae: Clachland Pt., 

 plentiful (N. B.) : Tarbert (J.) : Brodick (L. Som.). 



Fam. Astartidae. 



Astarte sulcata, da C. c. 



var. scotica (Maton and Rack.). Scarce; Ayr: Bute(Sm.): Cumbrae (R.B.): 



Kyles: Skelmorlie 8 f. (Som.): Tighnabruaich (C.). 

 var. multicostata, Jeff. Cumbrae (R,). 

 A. elliptica (Bro.). Widely but sparingly dist. 

 A. compressa (Mont.). Not unc. 



var. globosa, Moll.L. Fyne (M'A.): Clyde 18 f. (Mar.) 



var. striata (Leach.). More c. than the type ; Wemyss Bay 10-15 f. : L. 



Fyne (Som.): Tarbert (S.) : Dunoon 5-15 f. (M.): Toward (C). 

 Goodallia [ = Astarte] triangularis (Mont.). Usually dead; Lamlash (N.): 

 Clyde 40 f. (d.) (F.) : near Sanda 40 f. (d.) (Hy.) : Sanda 25 f. (J.)(K.) : off 

 Silvercraigs 12 f. (d.) (B.). 



Fam. Isocardiidae. 



Isocardia humana (L.) [ = cor]. In d. w. bet. the Cumbraes,a few valves (N.): 

 2 connected vv. off Holy I. 60 f. (Hend.) : bet. Cumbrae and Brodick 90- 

 98 f.(R.): PortavadieSOf.umbos (Som.): Brodick 50-60 f. (Hoy.): Dunoon 

 basin 30-40 f. : off Holy I. 90 f. (M.) : off Ailsa Craig 2 full-grown speci- 

 mens: bet. Pladda and Ayr 28-33 f. 5 very fine (P.): offMachrie Bay 

 (d.) (G.). 



Fam. Arcticidae. 



Arctica [ = Cyprina] islandica (L.). Young very c., large adult (I.) scarce. 



Fam. Lucinidae. 

 Lucina spinifera (Mont.). Scarce ; Lamlash (L. C.): W. of Cumbrae 12 f. : 



Otter : Moll Dhu, not full grown (B.) : Kyles 15 f. (Som.): U. L. Fyne 60 f. 



(M. C.): Brodick (Sv.). 

 L. borealis (L.). Freq. on sandy coasts. 



var. gibba, Jeff. Moll Dhu, L. Fyne (B.) 

 Cryptodon [ = Axinus] flexuosus (Mont.). Widely dist. and abund. esp. in 



Rothesay B. 15-20 f. (B.) and Gareloch very fine, 16-23 f. (K.). 

 C. croulinensis (Jeff.). Now found to be widely dist. ; Lamlash B. 15 f. : 



L. Ranza 50 f. : Bute : Kilbrennan Sd. 70 f.: off Tarbert 20-50 f.: Skelmor- 



lie 7-18 f. : Millport 40 f. : Pt. of Ayr 20 f. : Kyles 12-23 f. : Brodick 23-40 



f. (Som.): Machrie B. 20-29 f. : Strachur 12-56 f. (K.). 

 C. ferruginosus (Forb.). Widely dist. from 10 to 100 f. ; remarkably plentiful 



in L. Fyne (B. N. R. Som. M. K. C.). 

 Montacuta" substriata (Mont.). c. but not often recorded, (on the ventral 



spines of Spatangus purpureus) ; N. of Holy I. (G. & M.): Lamlash (L.): 



W. of Cumbrae : Tan Spit 8-25 f. : Otter (N. R. B.): Davaar 21 f.: inside 



Sanda I. 25 f. (K.): L. Fyne (C.). 



N 



