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Volume 12, Annual Issue (1904)

Front Matter

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

General Interest Articles

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Emma Pammel Hansen, B.S, M.S. p. xi-xi
H. E. Summers

Research

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Notes on American Cladonias p. 15-20
Bruce Fink

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Cohesion of Water and of Alcohol p. 29-32
Edwin Morrison

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The Slime Moulds of New Mexico p. 33-38
T. H. MacBride

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Notes on a Thermophilic Bacillus p. 69-73
R. Earle Buchanan

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Municipal Hygiene - Part I p. 75-85
C. O. Bates

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An Annotated List of Iowa Discomycetes p. 105-120
Fred Jay Seaver

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Some Railroad Water Supplies p. 151-155
L. H. Pammel and Estelle D. Fogel

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Flowering Plants of Henry County p. 157-164
J. M. Lindly

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The Flowering Plants of Hardin County p. 193-241
Morton E. Peck

Back Matter

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Index p. 243-244