1896,] ON THE PLANKTON OE THE FABBOB CHANNEL. 991 



in this country, and Mr. Eothscbild has stated (Avifauna of 

 Laysan, p. 9") that Lafresiiaye's type is in the Paris Museum. On 

 tliis point he must have been misinformed, and the specimen he 

 " carefully examined " there was probably one of the pair obtained 

 and presented by Neboux (Eevue Zoologique, 1840, p. 289), from 

 which presumably the figures in the Voyage of the ' Venus ' (Ois. 

 pi. 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 Hemignaihxis lucidus 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 Rdntgen 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 followng papers were read : — 



1. Contributions to our Knowledge o£ the Plankton of the 

 Faeroe Channel. — No. I. By G. Herbert Fowler, 

 B.A., Pii.D., Assistant Professor of Zoology, University 

 College, Loudon. 



[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. 'Eesearch,' by the per- 

 mission of the Lords Commissioners of the Admiralty, extended to 

 me at the request of the Council of the Eoyal Society. I am glad 

 of this opportunity to tender my thanks, not only to both of these 

 bodies, but also to Capt. Moore and the other officers of the 

 ' Eesearch ' for placing at my disposal every facility that lay in 

 their power. 



My chief object on the cruise was an attempt to ascertain 

 whether the intermediate zones of wat«r 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 

 Proo. Zool. Soc— 1896, No. LXIV, 64 



