Front Matter
pp 0
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A Monographic Study of the North American Species of the Genus Ballana (Homoptera: Cicadellidae)
DeLong, Dwight M. pp 305-370
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Strontium-90 Accumulation by Some Vegetable Crops
Haghiri, F. pp 371-374
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Mastodon Record in Lorain County
Surrarrer, Thomas C. pp 375-375
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Two New Buprestidae and Distribution Records of Others (Coleoptera)
Knull, Josef N. pp 376-378
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Time Course of Photosynthetic Rhythms in Phaseolus Vulgaris L. as Related to Changes in Degree of Stomatal Opening
Howe, George F. pp 378-384
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Retirement of Book Editor
pp 384-384
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Back Matter
pp 999
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