A Biosystematic Study of the Phlox Cuspidata-Phlox Drummondii Complex
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Factors Affecting Secondary Intergradation Between Two Allopatric Populations in the Bufo Woodhousei Complex
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The Deltoid Musculature of the Marsupialia
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Morphogeography of Four Grass Taxa in Texas
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Variation in Rana Pipiens Schreber in Texas
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Notes on the Biology of the Cuckoo Wasp, Chrysis Verticalis Patton
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The Flora of North-Facing Slopes Compared to That of the Surrounding Area in Eastern Iowa
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Mound Temperatures of the Ant Formica Ulkei Emery
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A Study of the Behavior of Some Tagged South Florida Coral Reef Fishes
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The Cyperaceae of Illinois
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Observations Concerning Behavior, Feeding, and Pellets of Short-Eared Owls
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The Deltoid Musculature of the Monotremata
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Periodicity of Reingestion in the Cottontail
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An Ecological Study of the Distribution of the Isopod Cyathura Polita (Stimpson) from Brackish Waters of Cape Cod, Massachusetts
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An Evaluation of Some Techniques for the Collection and Analysis of Benthic Samples with Special Emphasis on Lotic Waters
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Additions to the Illinois and Missouri Earthworm Fauna
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Clapper Rail in the Interior of Florida -- A Correction
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Books Received
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