Front Matter
p. 0
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Silurian Fossils from Ohio, with Notes on Related Species from Other Horizons
Foerste, Aug. F. pp. 367-408
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The Nature of the Diecious Condition in Morus Alba and Salix Amygdaloides
Schaffner, John H. pp. 409-416
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On Some North American Tingidae (Hemip.)
Drake, Carl J. pp. 417-421
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Comparative Transpiration of Tobacco and Mullein
Sayre, Jasper D. pp. 422-426
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Back Matter
p. 999
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