284 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



UNIONID^. 



Unio margaritifer (L.).— River Gryfe at Denniston, Kilmal- 

 colm. — Thomson-Denniston. 



GASTEROPODA. 



Aquatic. 



LIMN^ID^. 



Planorbis spirorbis, Mull.— In pools, Garvel Park, Greenock j 



Kilmalcolm road. Near Inverkip. 

 — Binnie. 

 Physa fontinalis (L.). — Cemetery pond, Greenock (probably 



introduced). 

 LiMN^EA PEREGRA (Mull.). — Various places about Greenock, 

 var. OVATA, Drap. — Filter dam, Greenock. 

 PALUSTRIS (Mull.). — Pools, side of Kilmalcolm road, near 



Port-GlasgoAV. 

 TRUNCATULA (Mull.). — Various places about Greenock. 

 Ancylus fluviatilis, Mull. — Various places about Greenock, 



Terrestrial. 

 ARIONID^. 



Arion ater (L.).— Common. 



HORTENSis, Fer. — Frequent; Shielhill Glen, Kilmalcolm, &c, 



LIMACID^. 



Amalia margin ATA (Mull.). — Frequent in gardens about 



Greenock. 

 LiMAX MAXIMUS, L. — Frequent. 



FLAVUS, L. — Rare about Greenock. 



agrestis, L. — Too common. 



L^vis, Mull. — Frequent ; Shielhill Glen, and other places* 



ARBORUM, B.-Ch. — Cloch, and other places. 



SucciNEA PUTRis (L.).— Cloch, and other places. 

 Vitrina pellucida, Mull. — Frequent about Greenock. 

 ZONITES CELLARius (Mull.). — Commou. 



ALLiARius (Miller).— Cloch, and other places, 

 var. VIRIDULA, Jett'.— Cloch (1885). 



NITIDULUS (Drap.). — Common. 



PURUS (Alder).— Shielhill Glen. 



var. MARGARITACEA, Jeff.— Cloch.— 5l7in/€. 



RADiATULUS (Alder). — Cloch and Shielhill Glen. 



EXCAVATUS (Bean). — Cloch and Shielhill Glen. 



CRYSTALLINUS (MulL). — Frequent about Greenock. 



FULVUS (Mull.). — Various places. 

 Helix lamellata, Jeff.— Cloch {\^\).— Andrew Scott. 



ACULEATA, Mull.— Cloch, frequent. 



J 



