Dolomedes fimbriatus, Clerck, at Killarney


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IT may interest some of your readers to know that this rare and fine aquatic spider occurs on Cromaglaun Mountain, near Killarney Lakes. I first found it when collecting the little shell,


Limnæus involutus, and though I had it two or three times in my hand, it was so active that it escaped, and I, not knowing its powers of diving, never thought of looking for it under water.


The following year I again visited the little lake, which is called Crincaum, with some friends, and this time we fairly captured the spider, which I then easily identified as Dolomedes


fimbriatus. There is a good account of it in Black wall's “British Spiders,” and also in Andrew Murray's “Economic Entomology—Aptera,” but I am not aware that it had been observed in Ireland


before I found it.


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