Letter | Published:

American Fresh water Sponges in Ireland


A SHORT time ago, Dr. R. F, Scharff, Dublin, sent me a small collection of Irish Spongillidæ. The examination of the material resulted in the discovery of two or three American species, obtained from the West of Ireland, viz. Heteromeyenia ryderi, Potts, Tubella Pennsylvania, Potts, and (?) Ephydatia crateriformis, Potts, the first of these three species having been identified by Dr. W. Weltner, Berlin. All these species are new to Europe, and as they were found in a small collection taken more or less at random, it is probable that if the freshwater fauna of the West of Ireland were thoroughly investigated, a great many more American species would be discovered.

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