Geomalacus maculosus (i.e. the spotted earth-mollusc).—Only found in south-west Ireland. Probably a relic of the prehistoric time when Ireland was joined to Portugal and Spain. Has a solid chalky shell beneath the shield. Blackish with oval yellow spots. Feeds on lichens.
Amalia gagates (gagates is Greek for “jet”).—Dark lead colour. Foot-sole white. Length 2-1/2 inches. Local, and mainly near sea.
Amalia Sowerbyi.—Brown, speckled with black. Foot-sole yellowish. Length 2-1/2 inches. Local. Shell often very thick.
Limax maximus.—Length 4 to 6 inches. Grey with two dark lateral bands. Often found in cellars.
Limax cinereo-niger.—Ashy-black. Very like L. maximus, but with a sharp keel, and the sole paler in the middle than at the sides. Less nocturnal and less fond of houses; chiefly found in forests on hills. Local, and not common.
Limax flavus.—Yellow, with a faint dark network of markings. Tentacles blue. Sole cream. Length 4 inches. Only found in cellars and near houses.
Limax marginatus.—Semi-transparent. Grey, with two dark bands on each side. Foot-sole with a dark line down the middle. Shell solid, often a cube. Length 3 inches. Fond of tree climbing.
Limax tenellus.—Yellow. Tentacles black. Mucus yellow. Found in woods. Lives on fungi. Rare.
Agriolimax agrestis.—The common field slug. Swarms everywhere. Its milk-white slime is characteristic. Very variable in colour and markings.
Agriolimax lævis.—Slender. All chocolate brown. Length 3/4 inch. Shell may be seen through the mantle. Active. Our smallest slug. Usually found near ditches.