Abstract
IN reply to the Rev. W. S. Symonds's questions (NATURE, Vol. vii. p. 162) regarding the occurrence of certain salmonoids in Welsh and non-glacial lakes, I beg to draw his attention to the sixth volume of the “Catalogue of Fishes,” published by the trustees of the British Museum, which, I believe, contains the information for which he asks. I would with pleasure extract this information for him if I were not ignorant as regards the glacial or non glacial character of some of the lakes. The geographical distribution of the various kinds of Charr is given in detail on pp. 125–154, and that of the Coregoni on pp. 172–199. The group of Charr and that of Coregoni are by no means limited to lakes, many true charr, like Salmo, fluviatilis, fontinalis, c and Coregonus oxyrhynchus being common in salt water on the coasts of Holland at certain seasons of the year. In addition to Sir Philip Egerton's observation that he has taken Salmo ferox in Lake Bala, I may mention that the British Museum possesses an example from the Lake of Llanberis, presented by S. P. W. Ellis, Esq. (Catal. Fish, p. 93.)
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