.1909. Sr^Ei.vox.—Molhisca of N.W, Dofiegal. 89 



two days previously at this spot by Mr. Welch, a full grown 

 specimen, which measures only 14 mm. in width by 12 mm, 

 in height. The prevailing form here was ''00345 Ubellula^' 

 but many other forms of interest were collected, several with 

 a band formula of 12045 were found, while it maybe worth 

 noting that 00300, which is usually looked upon as one of the 

 commonest band formulae, was not observed in more than a 

 few specimens during the whole tour. 



nth September. — On this date we again visited Carrickfin 

 in order to give the Helix 7iemoralis connoisseurs an oppor- 

 tunity of collecting some of the ciirmo207iata form of this 

 species. Mr. Milne and I wandered on as far as Mullaghderg, 

 but found the lough much too flooded for freshwater 

 collecting. We, however, added two species to our Mullagh- 

 derg list of 1905, viz., Amalia gagaies and Pzipa anghca. The 

 former species was very plentiful and the specimens seen were 

 exceedingly large. We noticed both here and in other 

 localities that this slug was very subject to destruction by the 

 floods, as many drowned examples were to be seen in the 

 rejectamenta of the various lakes visited. 



12th September. — This was the only really fine day with 

 which we were favoured during the whole excursion, and was 

 luckily that for which we had saved the tit-bit of our holiday, 

 namely a visit to Inishmeane and Gola, two of the outlying 

 islands, upon which so far as we knew no conchologist had 

 collected previously. As many authorities think that the 

 fauna of such islands is of great importance from a topo- 

 graphical point of view, I give below complete lists of the 

 species taken. 



Inishmeane. — Agtiolimax agrestis^ Ario7i i?itermedius, Vitriiia 

 pelhicida^ Hyalinia cella?'ia, H. alliaria — type and var. 

 viridula ; Helix pulchella, H. ericetorum, H 7iemoralis, H aciita^ 

 H. rotiiJidata, Cochlicopa hibrica, Pupa cyliyidracea^ Balea 

 perversa^ Clausilia bide?itata, Liinncea peregra — var. Boissyi; 

 L. palustris^ L. h'laicatjila, Aplexa hypiiorum, Plajiorbis 

 nautileus and Pisidium pusilliim. 



Of the above by far the most interesting shells were the 

 LimiicEa peregra which were collected in a small peaty pool on 

 the cliffs at the north-east corner of the island. These re- 

 semble very much some of the specimens of this I^imnaea found 



A 3 



