Front Matter
p. 0
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Measurement of Environmental Radioactivity with Basic Counting Equipment
Verduin, Jacob pp. 1-6
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Histochemical Localization of Phosphatases in the Stable Fly, Stomoxys Calcitrans (L.), Using Naphthol As-Phoshate
Ashrafi, Shahid H.; Fisk, Frank W. pp. 7-13
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Notes and Records of Ohio Dragonflies and Damseflies (Odonata)
Alrutz, Robert W. pp. 13-24
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Soils of the High Terrace Remnants in the Upper Ohio Valley
Lessig, Heber D. pp. 25-37
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Book Notices
p. 37
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Some Preliminary Observations on Mosquito Larvae and Pupae Confined to a Bottom Air-Water Interface
Meola, Roger p. 38
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Decentralization of the Akron Rubber Industry
Frank, Ralph W. pp. 39-44
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The Abri Schmidt, an Important Upper Palaeolithic Site in Bavaria
Prufer, Olaf H. pp. 45-59
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Book Notices
p. 59
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Hydroysis of Uniunivalent Salts in Aqueous Solutions. I, The Hydrolysis of Weak Acid-Weak Base Strong - Electrolyte Salts
Bulloff, Jack J. pp. 60-64
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Back Matter
p. 999
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