Author: Kofoid, C.
Title: The Plankton of the Illinois River, 1894-1899.
Description: With introductory notes upon the hydrography of the Illinois River and its basin, Part I: Quantitative investigations and general results. Champaign, Bull. of Illinois state lab. of Natural Hist., 1903. 95p.- 620p., 2 maps, 48 plates and tabs. Cloth. = Top of front hinge partly split. Else a good and clean copy.

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