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on two previous occasions expressed my opinion (Zool. 2nd ser. 2223, 3880) on some matters relating to the nomenclature and distribution of the European Redpolls, I think it only right to acquaint the readers of this journal with certain results at which I have arrived after several prolonged examinations, in consultation with my friend Mr. Dresser, of a very considerable series of specimens from various localities—the more so since on a few points, and these not altogether unimportant, my views have thereby been somewhat modified. I have now come to the conclusion that we must count four forms of Redpoll among the birds of Europe, three of which have been obtained in the British Islands.

1. There is the real Fringilla linaria of Linnæus. This is the Mealy Redpoll of English authors, and seems to have the widest range of all the forms. Specimens from this country (to which it is a not infrequent winter visitant), from Lapland, Northern Russia, Japan, California, Pennsylvania, and Greenland (to which last it is only a summer visitant), cannot by any means that I know be distinguished from one another. In Part 10 of the revised (4th) edition of Yarrell's 'British Birds' (ii. pp. 133–143), I have attempted a full account of its history, under the name of Linota linaria. Among its numerous synonyms are Linota borealis and, to some extent, L. canescens.

2. Considerably surpassing the foregoing in size, and distinguishable besides by its very hoary plumage and deeply-forked tail is the Linota hornemanni of Holböll. This is a resident in Greenland, whence, many years ago, Mr. Bond, I myself and others received its nests and eggs. It would appear from a specimen in Mr. Hancock's collection to be the form of Redpoll which occurs in Iceland. It is also the bird found breeding in Spitsbergen by Mr. Eaton (Zool. 2nd ser. 3805–3808), and, under the English name of Arctic Redpoll, Mr. Hancock has figured a specimen (B. Northumb. & Durh. pl. 5, p. 54) which was obtained at Whitburn, April 24, 1855. There are grounds for believing that it has strayed in winter to the north of France, and probably indeed it occurs, though in small numbers, every winter in Scandinavia and in the northern parts of the American continent. The kindness of