Results of the Aralo-Caspian Expedition


    THE fourth fascicule of this publication contains an important paper by the well-known Russian ichthyologist, Prof. Kessler, on “The Fishes of the Aralo-Caspian Pontic Ichthyological Region.” After an introduction, in which the author briefly sketches the geography of the region, and makes a few objections to some statements of Mr. A. R. Wallace as to the geographical distribution of fishes, Prof. Kessler describes forty-three new species and varieties of fishes of the region, and twenty-four other species, the previous descriptions of which were incomplete. These descriptions, being the result of very elaborate researches, are based on extensive collections obtained by the members of the expedition, and by previous explorers. The new species are illustrated by seven plates. The second part of the work is a systematic catalogue of all fishes known to inhabit the region, with notes as to their geographical distribution.

    Results of the Aralo-Caspian Expedition.

    Fascicule iv., 388 pp., with seven lithographed plates; and Fascicule v., sixty-eight pages. (St. Petersburg, 1877.) [Russian.]

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    Results of the Aralo-Caspian Expedition . Nature 16, 474 (1877).

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