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Show 1896.] ON THE PLANKTON OE THE PAEROE CHANNEL. 991 in this country, and Mr. Rothschild has stated (Avifauna of Laysan, p. 97) that Lafresnaye's type is in the Paris Museum. On this point he must have been misinformed, and the specimen he " carefully examined " there was probably one of the pair obtained and presented by Neboux (Revue Zoologique, 1840, p. 289), from which presumably the figures in the Voyage of the ' Venus ' (Ois. pl. i. figs. 1, 2) were taken. It is almost needless to remark that had the present example been attainable by Mr. Wilson he would never have supposed it to be specifically identical with the bird which he found, in Hawaii; and I may observe that not one of the five examples of the Hemlgnathus lucldus of Oahu at his disposal- two from Berlin, two at Cambridge, and one in the British Museum-was that of a male in full plumage. Mr. W . B. Tegetmeier, F.Z.S., exhibited an interesting application of the Rontgen rays to ornithology, in the shape of an actinograph taken from a Partridge that had " towered " on being shot. The actinograph seemed to show that the " towering " was caused by injury done to the lungs, and not by lesion of the brain, as often supposed. The following papers were read :- 1. Contributions to our Knowledge of the Plankton of the Faeroe Channel.-No. I. By G. HERBERT FOWLER, B.A., Ph.D., Assistant Professor of Zoology, University College, London. [Received November 3, 1896.] (Plate L.) Between July 29th and August 8th of this year I enjoyed the great advantage of a berth on H.M.S. 'Research,' by the permission of the Lords Commissioners of the Admiralty, extended to me at the request of the Council of the Royal Society. I am glad of this opportunity to tender m y thanks, not only to both of these bodies, but also to Capt. Moore and the other officers of the ' Research' for placing at m y disposal every facility that lay in their power. M y chief object on the cruise was an attempt to ascertain whether the intermediate zones of water between (say) 100 and 700 fathoms are characterized by definite forms of planktonic life or not; and if so, what temperature-limits form barriers to the distribution of various species. The large number both of surface and deep-water organisms obtained during the cruise will demand so long a study that it seems best to publish results as soon as obtained in the scant leisure of which a teaching post admits. The present note forms, therefore, the first of a series, in which PROC. Z O O L . Soc-1896, N o . L X I V . 64 |