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Show 120 DR. G. HERBERT FOWLER ON TnE [Feb. 3, P h y l l o p o d a . P odon intermedius Lilljeborg. My friend the Rev. T. R. R. Stebbing, F.R.S., was kind enough to identify and count the specimens of this species. It would 110 doubt have occurred in more of the surface hauls had not my finest tow-net been devoted to the collection of Diatoms for the Scottish Fishery Board. It is no doubt a purely epiplanktonic form in the Faeroe Channel; a single specimen only wTas taken at 20 d (500-400 fathoms) as against about 106 specimens in 7 hauls at the surface ; the single deep specimen was probably a sinking corpse. This species is, I believe, known only from the surface 1 ; it ranges over the Baltic, Norwegian coast up to Vadso, Denmark, Boulogne, Concarneau, Trieste. OSTRACODA. The representatives of this order belonged exclusively to the Halocypridse, and were mostly taken in the mesoplankton. Only one species, Conchcecia maxima, occurred sufficiently often to allow of a generalisation as to its horizon. The identification of a Halocyprid is rarely satisfactory without dissection of the moutli-parts, which means destruction of the specimen. I have, however, dissected a considerable number, and feel at all doubtful only in the case of C. })orrecta; I have preferred, however, to leave the specimens under this species rather than create a new species on the strength of slight differences in the armature of the mandible. The table following shows those surface and deep-water hauls, made by Professor Chun between Finist&re and the Canary Islands with open vertical nets2, which contained the same species as Haul. Horizon in fathoms. § ■S^ $ 1 1 a -' 1 O Paraconchcecia oblonga. S? 0 *-0 0 fcl ConchoeciUa dctplinoides. II. 546 to 0 ... III. 819 to 0 ... * 0P>* -* rJl IV. 546 to 0 # * * O * VII. 873 to 0 * ... K* Surface. ... * ... 1 J. do Guerne: Bull. Soc. Zool. France, xii. 311 (1887). W . Lilljeborg: ‘ Cladocera Suecise,' Upsala, 1900, 4to. - Chun: SB. Icon, preuss. Akad. Wissensch. (1889 xxx. Claus: ‘ Die Halocy-priden,' Wien, 1891, 4to. |