Front Matter
p. 0
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Concerning the Journal
pp. 65-66
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Some Notes on the Pleistocene History of the Cincinnati Region
Brand, L. S. pp. 67-85
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Book Notice
p. 85
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A Revision of the North American House Wrens
Oberholser, Harry C. pp. 86-96
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Book Notices
p. 96
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Ecological Studies of Argia Moesta Hagen (Odonta: Coenagrionidae) by Means of Marking
Borror, Donald J. pp. 97-108
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Some Ancient Cosmogonies and Evolution
Dudycha, George J. pp. 109-120
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The External Morphology of Acroneuria Evoluta Klapalek (Perlidae, Plecoptera)
Clark, Robt. L. pp. 121-128
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Back Matter
p. 999
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