Browse Prairie Research Institute by Author "Eddy, Samuel"

  • Eddy, Samuel (Champaign : Illinois Natural History Survey, 1927-11)
    The chief purposes of this paper are: (1) to present a general picture of the plankton of Lake Michigan, (2) to determine the relative abundance of its constituent organisms, and (3) to incorporate and summarize the facts ...

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  • Eddy, Samuel (Champaign : Illinois Natural History Survey, 1931-11)
    The Sangamon River, a small river in the central part of Illinois, has special interest to students of aquatic biology because it exhibits in a remarkable way the effects of the installation of a sewage treatment plant ...

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