198 MARINE MOLLUSCA; GASTROPODA. 



GASTROPODA. 

 PROSOBRANCHIA. 



Fam. Patellidae. 



Patella vulgata, L. Very c. 



var. elevata, Jeff. Cum brae, (R.). 



var. intermedia, Knapp.L. Striven (M.). 



var. depressa, Penn. c. 



var. caerulea, L. mod. c. 

 Patina [ = Helcion] pellucida (L.). c. 



var. laevis, Penn. -c. 



Fam. Acmaeidae. 



Acmaea [=Tectura] testudinalis (Mull.). c. 

 A. virginea (Mull.). Gen. dist. 



Fam. Lepetidae. 



Lepeta caeca (Mull.). Very r. ; L. Fyne (M'A.) : Kyles (d.) 18 f. (K.). 

 L. [ = Tectura] fulva (Mull.). Widely dist., but scarce. 

 var. albula, Jeff.L. Fyne (M'A.). 



Fam. Pleurotomariidae. 



Scissurella crispata, Flem. Very r. ; L. Fyne (Bar.) : Clyde 18 f. (Som.) : 

 bet. Sanda and the Mull 19 f. : off Mull of Kintyre 9 mis. 55 f. (K.). 



Fam. Fissurellidae. 



Puncturella noachina (L.). Not unc., widely dist. 



Emarginula fissura (L.). Mod. c. over all the firth. 



var. subdepressa, Jeff. Lamlash 7-13 f. (H.) : L. Fyne 25 f. (K".) 

 var. elata, Jeff. Clyde 18 f. (Mar.), 

 var. incurva, Jeff. Lamlash 18 f. (Som.). 



[E. conica, Schum. [ = rosea]. Very r. : only record Whiting B. (F. B. R., 1898, 

 Part III., p. 66).] 



E.crassa, /. Sow. Very scarce : L. Fyne 20 f. (d.) (F.) : L. Long (Bar.) : Lam- 

 lash 15 f. : offTarbert 75 f. (d.) (Som.): Battle I. (d.) (S.): one L. Gilp- 

 head 12-14 f. (B.) : Inchmarnock 104 f. (d.) (Hoy.) : Inveraray (R.) : 

 Tighnabruiach (Sv.) : Minard 10-20 f. : L. Striven 15-35 f. : L. Goil 

 24-40 f. (M.) : L. Long : L. Fyne : Kyles (C.). 



Fissurella graeca (.). Verv r.: Bute (Sin.): N. of Holy 1. 10-30 f. (G. & M.): 

 L. Fyne (Bar.): Lamlash (L.): L. Goil 35-40 f.: Dunoon basin 6-8 f. (M.). 



Propilidium ancyloide (Forb.). r.; Ballantrae (Getty) : Lamlash 20 f. (Sin., 

 F. L. Som.): S. E. of Ailsa 27 f.: off Mull of Kintyre 9 mis. 55 f. (K.). 



Fam. Trochidae. 



[Moelleria costulata, Moll. OS Silvercraigs 12 f. (B.): Lamlash 10 f., all (d.\ 



prob. post-tertiary.] 



Eumargarita [ = Trochus] helicina (Fair.). Locally plentiful. 

 E. groenlandica (Chem.). Very r. ; Lamlash (L.) : Cumbrae (R.). 

 Gibbula [ = Trochus] magus (L.) c. 



var. alba, Jeff. Lamlash 10-20 f. (H.). 

 G. tumida (Mont). c. 

 G. cineraria (L.). Very abund. 

 G. umbilicata (Mont.). Much less c. than preceding. 

 [Monodonta [==Trochus] crassa (Montf.) [ = lineatus]. Prob. not recent; 



Cumbrae (Sin.): dead shells off Battery, Cumbrae (B. R.).] 

 Calliostoma [ = Trochus] montagui, W. Wood. Note. ; one off Cumbrae (N.): 



Lamlash (L. A. H.) : Tan : Otter (d.) (B.) : Brodick (Sv.) : L. Goil (M.) : 



7 from L. Striven 10-20 f. (C.). 



