284 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 
UNIONIDZ.. 
UNIO MARGARITIFER (L.).—River Gryfe at Denniston, Kilmal- 
colm.—Thomson-Denniston. 
GASTEROPODA. 
Aquatic. 
LIMN AIDA. 
PLANORBIS SPIRORBIS, Mull.—In pools, Garvel Park, Greenock ; 
Kilmalcolm road. Near Inverkip. 
—Binnie. 
PHYSA FONTINALIS (L.).—Cemetery pond, Greenock (probably 
introduced). 
LIMN#A PEREGRA (Mull.).—Various places about Greenock. 
var. OVATA, Drap.—Filter dam, Greenock. 
PALUSTRIS (Mull.).—Pools, side of Kilmalcolm road, near 
Port-Glasgow. 
TRUNCATULA (Mull.).—Various places about Greenock. 
ANCYLUS FLUVIATILIS, Mull.—Various places about Greenock. 
Terrestrial. 
ARIONIDA. 
ARION ATER (L.).—Common. 
HORTENSIS, Fer.—Frequent; Shielhill Glen, Kilmalcolm, &c. 
LIMACIDZ. 
AMALIA MARGINATA (Mull.). — Frequent in gardens about 
Greenock. 
LIMAX MAXIMUS, L.—Frequent. 
FLAVUS, L.—Rare about Greenock. 
AGRESTIS, L.—Too common. 
L2&Vis, Mull.—Frequent; Shielhill Glen, and other places. 
ARBORUM, B.-Ch.—Cloch, and other places. 
HELICIDA. 
SUCCINEA PUTRIS (L.).—Cloch, and other places. 
VITRINA PELLUCIDA, Mull.—Frequent about Greenock. 
ZONITES CELLARIUS (Mull.).—Common. 
ALLIARIUS (Miller).—Cloch, and other places. 
var. VIRIDULA, Jeff.—Cloch (1885). 
NITIDULUS (Drap.).—Common. 
PuRuS (Alder).—Shielhill Glen. 
var. MARGARITACEA, Jeff.—Cloch.—Binnie. 
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 (1881).—Andrew Scott. 
ACULEATA, Mull.—Cloch, frequent. 
