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Volume 11, Annual Issue (1903)

Front Matter

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Title Page - Letter of Transmittal p. iii-iv
T. E. Savage

General Interest Articles

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Ferdinand Reppert p. xi-xi
B. Shimek

Research

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The Furcula in the Collembola p. 69-73
J. E. Guthrie

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Some Bacteriological Examinations of Iowa Waters p. 111-126
L. H. Pammel, R. E. Buchanan, and Edna L. King

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The Sioux City Water Supply. III p. 133-135
Alfred N. Cook

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A New Deposit of Fuller's Earth p. 135-137
Alfred N. Cook

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The Action of Chloric Acid on Metals p. 150-162
W. S. Hendrixson

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Regeneration in the Crayfish p. 165-169
John J. Lambert

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A Chemical Study of Rhus glabra p. 171-177
A. W. Martin

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A Convenient Voltaic Cell p. 195-199
L. Begeman

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Flora of Emmet County, Iowa p. 201-248
R. I. Cratty

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Remarkable Occurrence of Aurichalcite p. 253-253
Charles R. Keyes

Back Matter

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Index p. 281-282