236 knight: marine mollusca of loch linnhe. 



Tectura testudinalis (Miill.). Abundant and fine on Onich 



shore. 

 T. virginea (Miill.). 3 — 8 f., plentiful. 

 T. fulva (Mull). 3 f., a few dead. 

 Emarginula flssura (L.). Cuilchenna. 

 Trochus grosnlandicus Chem. Loch Leven Ferry. 

 T. magus L. 12 f., a few mature spechiiens. 

 T. turn id us Mont. 12 f., in fair abundance. 

 T. cinerarius L. Onich shore, and very plentiful on tangle 



from 2 f. 

 T. umbilicatus (Mont). Rather scarce. 

 T. millegranus Phil. 3 — 14 f., numerous. 

 Lacuna divaricata (Fabr.). Scarce, at low water. 

 L. puteolus (Turt.). 8 f. 

 Littorina obtusata (L.). 

 L. rudis Maton. 



L. rudis van sulcata (Leach). Onich shore. 

 L. littorea (L.). 



Rissoa reticulata (Mont.). 14 f., one living. 

 R. abyssicola Forb. n, 14, 24 f., in abundance. 

 R. parva (DaC). 8 f., only one living. 

 R. inconspicua Aid. 8 f., two living. 

 R. violacea Desm. 8 f., two dead. 

 R. striata (Ad.). 11 — 15 f., six living. 

 R. soluta Phil. 8 f., two living. 

 Hydrobia ulvae (Penn.). Scarce. 

 Turritella terebra (L.). 14 f., one hundred and fourteen 



large living specimens ; young ones in great abundance. 

 Odostomia pallida (Mont.), n — 14 f., six living. 

 O. conoidea (Broc). 24 f., one dead, but perfect. 

 O. insculpta (Mont.). 11 — 14 f., five living. 

 O. rufa (Phil.). 11 — 14 f., two dead. 



O. rufa var. fuivocincta (Thomp.). 14 — 21 f., numerous. 

 O. acicula (Phil.). 14 f., only one living. 

 Velutina laevigata (Penn.). 12 f., one living. 



J.C., vii., Oct. 1893. 



