I9I0. Phili^ips. — The No7i-Martne Molhisca of Inishmorc. 115 

 THE NON-MARINE MOEEUSCA OF INISHMORE. 



BY R. A. PHILI^IPS. 



In August, T908, I spent four da3^s on Inishmore, the largest 

 of the Aran Islands, Galway Ba}^, and devoted some of the 

 time to working out the distribution of its land and freshwater 

 mollusca. These islands, which, for biological purposes, are 

 included with County Clare, have always had great attraction 

 for naturalists, and Inishmore has been visited by concholo- 

 gists on several previous occasions, the results of their 

 collecting being summarized in the Irish Naturalist, 1907 

 (P- 353) by Mr. A. W. Stelfox, who gives a list of thirty-two 

 species found on the island. 



The species found by me on this occasion, for which I can 

 find no previous record, number fifteen, the most interesting 

 being Succi^iea oblo7iga and Pupa anglica, two species not pre- 

 viously recorded for any island off the Irish coast. 



Of the shells included in Mr. Stelfox's list I did not see 



Hyalinia D rap am audi ^ H. 7iitida, H> fulva, Pupa muscorum, or 



Vcj'tigo aniivertigo, and a careful search in several likely spots 



failed to reveal the presence of Vertigo mouli^isiaiia or 



V' Lilljtborgi. 



The w^eather was very dry and hot, consequently it was 

 difi&cult to find some of the land-shells and slugs, and it was 

 only during a slight mist, which fell on the last morning of 

 my visit and just before leaving the island, that I was able to 

 procure a few specimens of the large Helix 7ie7no7'alis, which 

 secrete themselves during dry weather in the fissures of the 

 liuiestone pavements. 



Four small freshwater lakes occur on the island, one in a 

 little valley between the rocks about a mile south-west of 

 Kilronan, and one each near Oghil;, Kilmurvy, and Bungowla ; 

 and in these I found Linmaea peregra^ var. Boissyi, L. irzmca- 

 tula, Pla7io?bis spiro7'bis, var. leucosto77ia, and various Pisidia. 



The following list comprises all the species seen by me or 

 for which I can find any records. Additions to Mr. Stelfox's 

 list are preceded by an asterisk. And here I desire to express 

 my thanks to Mr. B. B. Woodward, who kindly named the 

 Pisidia; and to Messrs. J. W. Taylor, F.L.S., and A. vS. 

 Kennard, F.G.S., for notes on various other species. 



