•i897-] Adams. — Land a7id FreshwaUr Mollusca of Ballycastk. 183 



Helix rotundata, Muller. — Besides the type, the variety pymmidalis 

 (Jeff.) was met with at Murlough. 



Helix arbustor'utYi, L. — A single "dead" shell was found at White- 

 park Bay, which is another locality for this local shell. In Murlough 

 as before it was far from scarce, and the variety fiavescens (Moq.) was 

 also noted. 



Helix vlrgata, Da Costa. — We expected to add Cushendun to the list 

 of localities, as a stretch of grass-grown sand offered a tempting habi- 

 tat, but though we did not see so much as a " dead shell," we saw 

 other eager conchologists, in the shape of a multitude of fowls, which 

 were quite sufficient to exterminate even this persistent species. 



Helix aspersa, Miiller. — Besides the form /'<?;//«^r (Shuttl.) mentioned 

 in the Rathlin list, no variation was noted in this plentiful species. 



Pupa cylindracea, Da Costa. — Besides the type, a small perfectly 

 formed dwarf form occurred at Cushendun. 



Clausilia bidentata, .Strom.— A single specimen of the graceful var. 

 Evcrettii (Miller), measuring 8| mm., was found at Cushendun. 



Succinea putrls, Iv. — A small specimen was found in a roadside "flax- 

 pool " at Glendun. 



Carychlum minimuin, Miiller.— A curious malformation occurred 

 in a specimen from Murlough. The little creature had only one 

 eye, the left, though it was perfectly formed in other respects, 



Limnaea peregra, Miiller. — The peaty nature of the soil combined with 

 the mica schist which extends over a large portion of the north of 

 Antrim is much against freshwater shells— yet we did come upon 

 some small decollated individuals struggling against adverse con- 

 ditions in the roadside flax-pool mentioned above. In a ditch near 

 Ballycastle also small specimens were found, one or two being of 

 the form siiccineivforDiis (^Shuttl.) 



LimndBa truncatula, Miiller. — In a little stream coming out of the 

 cliff at Murlough. At Cushendun were found several small indi- 

 viduals of Jeffreys' variety clegans. 



Acme lineata, Drap.— The true habitat of this beautiful little species 

 was discovered by Dr. G. W. Chaster. It is semi-subterranean in its 

 habits, and though found occasionally in promiscuous moss-shakings, 

 &c., it may be found plentifull}' under the moss, or even in dry 

 weather beneath the surface of the soil. Dr. Chaster, at Murlough, 

 going straight to what he considered a good ''■Acme ground," 

 in a short time laid bare a dozen living specimens — some of the 

 beautiful var. alba (Jeff.) He also informs me that it particularly 

 affects the under side of the liverwort Marchantia, when this 

 grows, not on the surface of the wet rock, but on slightly damp 

 ground with moss, &c. If the Marchantia comes away easily in long 

 pieces leaving the soil underneath porous and friable, you may 

 look for the shell on the plant and the soil beneath, but if the plant 

 adheres closely to a wet close surface the shell is not found. 



Pisidium pusllluin, Gmel. — A few specimens found in a small oozing 

 stream at Cushendun. 



