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The Crayfish of Nebraska

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Issue link: http://digital.outdoornebraska.gov/i/720963

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vii COLLECTING CRAYFISHES .............................................................................................................. 23 STUDYING CRAYFISHES ................................................................................................................... 25 ECONOMIC IMPORTANCE ................................................................................................................ 26 HOW THIS BOOK IS ORGANIZED .................................................................................................... 27 NEBRASKA CRAYFISH COLLECTIONS ....................................................................................... 28 Devil Crayfish .................................................................................................................................. 29 Calico Crayfish ................................................................................................................................ 38 Ringed Crayfish............................................................................................................................... 46 Northern Crayfish .......................................................................................................................... 54 Prairie Crayfish ............................................................................................................................... 63 INTRODUCED CRAYFISHES ............................................................................................................. 71 White River Crayfish ..................................................................................................................... 72 Red Swamp Crayfish ...................................................................................................................... 76 Rusty Crayfish ................................................................................................................................. 82 GEOLOGY AND GLACIATIONS ................................................................................................................. 90 BODY MEASUREMENTS AND RATIOS .................................................................................................. 100 LITERATURE CITED ................................................................................................................................ 116 GLOSSARY ............................................................................................................................................ 134 IDENTIFICATION KEY TO NEBRASKA'S CRAYFISHES ......................................................................... 136

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