202 MARINE MOLLUSCA ; GASTROPODA. 



A. minor, Brown. [ = supranitida]--Veiy r. ; 2 (d.) outside Tan 18 f. (B.): 

 Tarbert Bank (S.) : off Pirnmill 73 f. : 6 nils, off Davaar 23 f. (K.). 



Pherusina [ = Aclis] gulsonae, var. tenuicula, Jeff. Lamlash B. (Bean.). 



Fam. Pyramidellidae. 



Odostomia lukisi, Jef.r.; off Tarbert 25 f.: Lamlash B. 20 f . : Clyde 18 f. 

 (Som.). 



0. conoidea, (Broc.). c. 



var. australis, Jeff. 6 mis. off Davaar 23 f. (K.). 



0. umbilicaris (Malm.). Bather scarce; one (d.) outside Tan 15 f. (B.): Tan 



]0 f. : Lamlash 17 f. : Skelmorlie 15 f. (Som.): L. Fyoe (Bar.), 

 var. elongata, Jeff. Skelmorlie 15 f. : Lamlash 17 f. (Som.). 



0. acuta, Je/.One (1.) outside Tan 15-18 f. (B.) : L. Fyiie (M'A. Bar.) : Lam- 

 lash 12-15 f. : Skelmorlie 7-18 f. (Som.): Campbeltown L. 10 f. : bet. Ailsa 

 and Corsewall 60 f . : S.E. of Ailsa 27 f. : off Mull of Kintyre 9 mis. 

 55 f. (K.). 

 var. attenuata, Mar. Clyde district (Mar.). 



0. conspicua, Ald.L. Fyne (M'Nab. S.): Lamlash B. 17 f. : L. Fyne 20 f. 

 (Som.). 



0. unidentata, F. and H. c. 



0. turrita, Han. Not unc. throughout the district, 

 var. nana, Mar. Millport (Mar.). 



0. plicata (Mont.).-r. ; Clyde 7 f. (F.): Bute (Sm.): Lamlash (L.). 



Jordanula [ = Odostomia] nivosa (Mont.). Cumbrae one (L) (R.) : Lamlash B. 

 (L.N.M'A.). 



Liostomia [^Odostomia] clayula (Lov.). L. Fyne 27 f. (Bar. Som.): Brodick 

 40 f. : Clyde 18 f. (Som.). 



Brachystomia [ = Odostomia] albella (Lov.). Not unc., but local. 



B. rissoides (Han.). "Not unc. 



var. exilis, Jeff. Cumbrae : Arran (Mar.). 

 B. ambigua, (Mat. and Rack.) [ = pallida]. c. 

 var. crassa, 7%owip. Clyde district (Mar.), 

 var. angusta, Jeff. Lamlash (Som.). 

 Ondina [ = Odostomia] divisa (J. Adams.) [ = insculpta]. Plentiful (d.) 



rather scarce (L). 



0. diaphana (Jeff.). Very r. ; Clyde 18 f. (Som.). 



0. obliqua (Aid.). Scarce; Bute(R.): Cumbrae: Ascog(o?.)(B.): Tarbert(S.). 

 Pyrgulina [ = Odostomia] decussata (Mont.). Scarce ; Lamlash (L. N.): off 



Ascog 15 f. (B.): Tan 7-10 f. (Som.). 



P. indistincta (Mont.). Not unc. throughout the district. 

 P. interstincta (Mont.) [ = var. suturalis]. c. 



var. intermixta, Mtros. Pirnmill 21 f. (K.). 

 P. eximia (Je/.).Very r. ; S.E. of Ailsa 1 mile 27 f. (K.). 

 P. fenestrata (Forb.).- One off Kilchattan B. : two from St. Ninian's B., Bute 



(B.) ; very r. 



Spiralinella [ = Odostomia] spiralis (Mont.). Gen. dist. 

 var. coarctata, Mar. Off Mull of Kintyre 60 f. (K.). 

 Miralda [ = Odostomia] excavata (Phil.). Lamlash B. (L. Bean. N.): Tan 



7-10 f. (Som.): Skelmorlie: Dunoon (Mar.). 

 Pyrgostelis [ = Odostomia] scalaris var. rufescens, Forb. Scarce, but 



widely dist. 

 P. interrupta (Totten.) [ = rufa var. fulvocincta]. Not unc. 



var. rufa, Phil. [ = 0. rufa]. Less c., but widely dist. 

 [Turbonilla [ = Odostomia] lactea (L.) Tan 15 f. (d.) (B.).] 

 Eulimella [ = Odostomia] scillae (Scac.). Not unc., widely dist., but gen.(<i). 

 E. cqmmutata (Mort.) [ = acicula]. Scarce; L. Fyne (F. & H. Bar. R.) : 

 Strachur 42-56 f. : off Mull of Kintyre 9 nils. 55 f. : Campbeltown L. 



