S'l'ELFox — List of LiiikI ami Freshwater Motlusks of Ireland. 7h 



is much more common in the southern 

 and eastern counties tlian in other parts 



WD ED LD AN 

 FE TY AR DO 

 WMSL LE MO 



EM RO CV LH 

 WG NG LF WH ME 

 SG KG KD DU 

 GL NT QG GW Wl 

 NK LK ST KK WX 

 SK MG EG WA 

 WG 



of the country, especially in gardens 

 and near the coast. It is absent from 

 most of our islands, but has been noted 

 on Inishmore, one of the Aran Islands, 

 in Clare ; A chill Island, in West Mayo ; 

 and Eathlin Island, in Antrim. 



During the Irish Field Club Confei- 

 ence at Cork in 1907, a spotted form of 

 this slug was taken at Blarney, Mid 

 Cork, and at Aghada, in East Cork, 

 resembling, in the opinion of Mr. J. "W. 

 Taylor, the Continental Milax marginaius 

 of Draparnaud. 



Milax gagates (Draparnaud). 



AmuUa g agates, ScharfF, Irish Nut., 

 p. 90, 1892. 



It is very strange that neither this 

 nor the last species was known to the 

 late W. Thompson in the north, as in 

 many gardens in Belfast, where these do 

 great damage to bulbous plants, they aii^ 

 only too common. Unlike i!/".so-it!c;-Jyi this 

 slug is found on most of our western 

 islands, and occurs with that species on 

 Eathlin Island in Antrim. 



On the mainland it is widely distri- 



buted, but rare or absent from manj- 

 parts of the central plain, and to a 



WD ED LD AN 

 FE TY AR DO 

 WMSL LE MO 



EM RO GV LH 

 WG NG LF WH ME 

 SG KG KD DU 

 GL NT QG GW Wl 

 NK LK ST KK WX 

 SK MG EG WA 

 WG 



certain extent is replaced by 31. 

 sowerlyi in parts of the southern and 

 eastern counties. 



As Dr. Scharff has pointed out there 

 are two well-marked colour-forms of 

 this species, a tan-coloured and a dark 

 lead-coloured one. On Achill Island 

 in West Mayo I have taken an almost 

 black specimen at an altitude of between 

 800 and 1,000 feet on the slopes of 

 Croaghaun ; and during September, 

 1910, I took a similar one on the 

 summit of Brandon Mt. — 3127 feet— - 

 in South Xerry. In the last station it 

 was associated witli Avion ater and 

 Hyalinia alliaria, while Saxifraga 

 groenlandiea grew in the crevices of the 

 adjoining wall. 



ZONITIDAE. 



Yitrina pellucida (Miiller). 



Helix elliptica, Brown, Mem. Werner. 

 Soc, vol. ii, p. .525, 1818. 



Generally distributed, but particularly 

 common on the sandy warrens of the 

 north coast, where it can hp collected in 



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