Front Matter
pp 0
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Acton Lake : Biology of its Benthos and Notes on its Physical Limnology 1959-1970
Daniel, Paul M. pp 241-253
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Book Notices
pp 253-253
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A Biosystematic Study of Silphium Integrifolium Michaux (Compositae)
Settle, Wilbur J.; Fisher, T. Richard pp 254-265
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Book Notice
pp 265-265
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Airborne Radar Sounding of the Greenland Ice Sheet
Pawlowicz, Edmund F. pp 266-275
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Book Notice
pp 275-275
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The Synthesis and Diazotization of Some Ketone Hydrazones
Hawbecker, B. L.; Gladon, R. J.; Hitchcock, R. H.; Nordeen, D. H.; Wyles, L. R. pp 276-284
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Book Notice
pp 284-284
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Ohio's Burley Tobacco Agriculture : a Primary Regional Cash Crop
Jencks, W. Robert pp 285-291
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Yoked Control Versus Random Reinforcement : a Comparison of Experimental Designs
Hoover, Thomas O.; Deitchman, Robert pp 291-293
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Avian Cholera in a Bald Eagle from Ohio
Locke, L. N.; Newman, J. A.; Mulhern, B. M. pp 294-296
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A Lower Devonian (Oriskany) Brachiopod with Color Markings
Murphy, James L. pp 296-299
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A New Species of Agrilus from Arizona (Coleoptera: Buprestidae)
Knull, Josef N. pp 299-300
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Life History Studies of Gonometa Podocarpi Aurivillius (Lepidoptera: Lasiocampidae) in East Africa
Okelo, Ochong pp 301-303
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Book Notice
pp 304
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Back Matter
pp 999
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