204 MARINE MOLLUSCA ; GASTROPODA. 



Purpura lapillus (L.). Very abund. 



var. major, Jeff. Kenmore, L. Fyne (K.). 



Fam. Nassidae. 



Nassa reticulata (L.}. c. throughout the district. 

 N. incrassata (Strom.). Locally abund. 



var. minor, Jeff. Brodick (Som.). 



N. pygmaea (Lmk.). Rather r. : Minard 7-20 f. : N. of Sanda 19 f.: L. Goil 

 9-20 f. : Dunoon basin 6-20 f. : off Carradale 16-20 f. (M.): Cumbrae (R.) : 

 Sanda to the Mull 19 f. (K.). 



Fam. Pleurotomidae. 

 Bela [ = Pleurotoma] turricula (Mont.). c. 



var. rosea, M. Sars. Clyde district (B.) : Ardentinny 10-30 f. (C.). 

 B. trevelyana (Turt.). Ayr (Sm.): U. L. Fyne 11-20 f. (M.). 



B. rufa (Mont.). Scarce ; L. Fyne (Bar.) : Lamlash (d.) (L. G. & M.). 



var ulideana, Thomp. Clvde district (Evton) : one off King's Cross 



(G. &M.). 

 [Spirotropis [ = Pleurotoma] modiola (Crist, and Jan.) [ = carinata]. Dunoon 



basin 20 f. (M.), very doubtful.] 

 Haedropleura [ = Pleurotoma] ecostata (da Costa) [ = septangularis]. Ayr: 



Bute(Sm.): Lamlash (N.): Cumbrae (R,); r. 

 Mangilia [ = Pleurotoma] striolata (/Stare.). Scarce: L. Cumbrae 15-20 f. 



(N. B.) : Otter (d.) (B. C.) : Lamlash (L.) : Tighnabruaich (Sv.) : N. of 



Sanda 19 f.: Dunoon basin 10-20 f. (M.) : gen. (d.). 

 M. attenuata (Mont.) Clyde 15-20 f. (d.)(F.): Lamlash (L.): Minard 12-20 f.: 



Sanda 19 f. (M.) ; very r. 

 M. COStata (Don.). Abund., but usually (d.). 



var. coarctata, F. and IT. Carradale 23 f. : Davaar 21 f. (K.). 

 M. brachystoma (Phil.). Not unc. : Portincross 30-44 f.: Catacol 25 f.: Kil- 



brennanSd. 55 f.: Cumbrae 40 f. (Som.): Machrie B. 20-29 f.: off Davaar 



6 mis. 23 f. (K.) : Rothesay (d.) (B.). 

 M. nebula (Mont.). Scarce ; Bute (Sm.): Lamlash (L.): Cumbrae (R. B.): Moll 



Dhu 10-25 f. (B.) : L. Ranza 18 f. 7-10 f. (Som.). 

 var. vittata, Norm. [ = P. laevigata]. Minard 15-20 f.: Dunoon basin 20 f.: 



off Carradale 16-20 f. (M.). 



var. elongata, Jeff. Sanda to Carradale 18-21 f. (K.). 

 Teres [=Defrancia] anceps (Eichw.) [ = teres].--Very sparingly over the 



district. 



Bellardiella [ = Defrancia] gracilis (Mont.). Scarce, but generally dist. 

 Clathurella [ = Defrancia] leufroyi var. boothi, Brown. [ = D. leufroyi].- 



Sparsely dist. throughout the district. 



C. linearis (Mont.). Not unc. aud widely dist. 



var. intermedia, F. and H. [ = aequalis]. Off Silvercraigs, L. Fyne (B.). 

 C. reticulata, Ren. r. ; Upper L. Fyne 12-15 f.: off Carradale 18 f. (M.) : 

 Garroch Hd. (R.): Lamlash 15 f. (Som.): off Inchmarnock 8-15 f.: Skipness 

 29 f. (d.) (C.). 



var. asperrima, F. and H. [=formosa]. Lamlash 15 f. (Som.). 

 C. purpurea (Mont.). Very sparingly, Clyde 15-20 f. (d.) (F.) : off Clachland 

 ' Pt.(N.): Ayr: Arran (Sm.): Cumbrae (R.): Lamlash (H.): Tan 10-20 f.: 

 off Otter (d.) (B.) : Upper L. Fyne 10-20 f. : N. of Sanda 19 f. : Farland 

 Pt. 2 f. (M.). 

 var. philberti, Mich. Outer Allans, Cumbrae (N.). 



OPISTHOBRA NCHIA . 



Fam. Actaeonidae. 



Actaeon tornatilis (L.). Sparsely, but widely dist, 

 var. bullaeformis, Jeff.'L. Fyne 40-45 f. (M'Nab). 



