Front Matter
p. 0
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Some Peculiarities of the Male Frog Test for Early Pregnancy
Miller, David F.; Wiltberger, P. B. pp. 89-94
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Petroleum Geology in the United States Geological Survey
Miser, Hugh D. pp. 95-101
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A Proposed New Genus Name Marganana and the Allotype Description of Prairiana Hirsuta DeL.--Gyponinae (Homoptera: Cicadellidae)
DeLong, Dwight M. p. 101
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A Method for Removing Transmissible Lysins from Secondary Cultures of Bacteria
Thomas, R. C. pp. 102-106
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A Synopsis of the Genus Iowanus in North America Including Mexico
DeLong, Dwight M.; Hershberger, Ruth V. pp. 107-115
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A Chromosome Frequency Test for Linkage of the Rhesus Blood Factors
Rife, David C. pp. 116-118
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A Study of the Rate of Growth of Two Sclerotized Regions within Larvae of Four Species of Mosquitoes
Abdel-Malek, A.; Goulding, R. L., Jr. pp. 119-128
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Back Matter
p. 999
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