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Volume 19, Annual Issue (1912)

Front Matter

General Interest Articles

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Twenty-Five Years of Botany in Iowa p. 43-63
Thomas H. MacBride

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Greetings from Visiting Academies p. 85-89
L. H. Pammel, C. C. Nutting, A. E. Sheldon, and Henry B. Ward

Research

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Simblum sphaerocephalum in Iowa p. 103-103
Henry S. Conard

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Secotium agaricoides, a Stalked Puffball p. 107-108
Henry S. Conard

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An Anomalous Ovary p. 111-112
James Ellis Gow

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Notes on Heteranthera dubia p. 131-132
Robert B. Wylie

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The Origin of the Geodes of the Keokuk Beds p. 169-172
Francis M. Van Tuyl

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The Harvest Mouse in Iowa p. 197-197
Frank C. Pellett

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Notes on a Collection of Mammals from Northwestern Iowa p. 203-205
Alexander G. Ruthven and Norman A. Wood

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Contribution to the Herpetology of Iowa, II p. 207-207
Alexander G. Ruthven

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A Study in Insect Parasitism p. 209-213
R. L. Webster

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Early Iowa Locality Records p. 253-257
B. Shimek

Back Matter

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Index p. 259-260