MARINE MOLLUSCA; AMPHINEURA. 191 



MOLLUSCA. 



AMPHIXEURA. 



Fam. Chaetodermatidae. 



Chaetoderma nitidulum, Lov. Dredged 9 mis. S. W. of Corsewall Pt. 50 f. 

 (Gemmill), identified by W. K. Hutton, M.A., M.B. 



Fam. Chitonidae. 



Lepidopleurus [ = Chiton] cancellatus (G. B. Sow.). Clyde (M'A.). 

 Hanleya [ = Chiton] hanleyi (Bean.). Lamlash (H.) : Clyde 18 f. (Som.). 

 Tonicella [ = Chiton] marmorea (Fabr.). Gen. dist., some specimens 2i" in 



length (P.). 



T. ruber (Lowe). Gen. dist. 

 CallocMton [ = Chiton] laevis ( Mont.). Scarce; L. Long (Bar.): Cumbrae 



(E.) : Holy I. 15 f. (H.) : Cowal 5-15 f. (C.). 

 Craspedochilus [ = Chiton] onyx (Speng.) [ = cinereus] c. 



var. rissoi, Jeff. Not unc. (B.) 



C. cinereus (L.} [ = marginatus] Very c. on all shores. 

 C. albus (L.). L. Fyne (X.) : Cumbrae (R.). 

 Acanthochites [ = Chiton] fascicularis (L.). Gen. dist. 



PELECYPODA. 

 Fam. Nuculidae. 



Nucula sulcata, Broun. Sparsely dist. (abund. in 33 f. bet. Pladda and 



Turnberry (K.) ). 

 N. nucleus, (L.). c. 



var. radiata, F. and H. Lamlash (A.) : Cumbrae : L. Fyne (R.) : E. of 



Bute, scarce (B.) : Kyles 5-28 f. (C.). 



N. nitida, G. B. Sow. Widely dist. (abund. in Gareloch (K.) ). 

 N. tenuis (Mont.). c. 



var. inflata, Han. deepest part of L. Fyne (J.): L. Long 24 f. (K.). 

 Nuculana [ = Leda] minuta (Milll.). Freq. in all depths. 



var. brevirostris, Jeff. Dunoon 40 f. (Hoy.) : nr. Carradale 20 f. (M.). 

 [N. tenuis (Phil.) [ = pygmaea] Very r. ; Lamlash 15 f. (Som.) : valves in 



Rothesay B. and d. w. outside Cumbrae (B.) ]. 

 [N. pernula (Miill.).Ayr (d.) (Sm.) : E. of Sanda 40 f. (d.) (Hy.)]. 



Fam. Anomiidae. 



Anomia ephippium, L. On all coasts and down to 65 f. 

 var. squamula, L. Freq. 

 var. aculeata, Mull. Bute (Sm.) : Cumbrae : Lamlash (L. N. B.) : Tarbert 



20 f. (Som.) : Gareloch 5-21 f. (M.). 

 var. cylindrica, Gm. Clyde freq. (B.) : Brodick (Som.) : Strachur 



2-7 f. (K). 

 A. patelliformis, L. Not plentiful but gen. dist. ; Bogany : Toward (B.) : 



Lamlash (L.) : Kilbrennan Sd. 40-49 f. : U. L. Fyne 75 f. (Hoy.) : Cumbrae 



(R.) : Gareloch 5-21 f. (M.) : Kyles 5-28 f. (C.). 

 vair. striata, Lov. Not unc. 



Fam. Arcidae. 



Glycymeris [ = Pectunculus] glycymeris (L.). Widely dist. but not c. 



var. pilosa, L. Arran: Ayr (Sm.) : E. of Sanda 40 f., 300 specimens, mostly 



dead (Hy.). 



[Barbatia [ = Arca] lactea (L.). Very r., 2 or 3 near Corriegills (Martin 

 & L.).] 



