Front Matter
p. 0
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Numerical Abundance as the Criterion for Successful Species
McAtee, W. L. pp. 169-172
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A Review of the North American Species of Texananus (Homoptera--Cicadellidae) North of Mexico
DeLong, Dwight M.; Hershberger, Ruth V. pp. 173-187
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A Study of the Proportions of Male and Female Mosquitos Immediately after Emergence
Masters, Charles Otto pp. 188-190
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Summary of Literature on Nutrient Media Used in Culturing Liverworts
Geldreich, Edwin E., Jr. pp. 191-194
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Reduction of the Incidence of Complications of Pregnancy
Silbernagel, Wynne M; Patterson, James B., pp. 195-198
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Book Notices
p. 198
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Three New Species of Cleridae (Coleoptera)
Knull, Josef N. pp. 199-200
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Necrophily vs. Necrophagy
Fichter, George S. pp. 201-204
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Notes on the Genus Bradytus Steph. and Descriptions of Three New Species (Carabidae, Coleoptera)
Stehr, William C pp. 205-208
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Back Matter
p. 999
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