Front Matter
p. 0
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Late Menopause and Cancer of the Breast
Blank, Fritz, M.D. pp. 51-56
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Book Notices
p. 56
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Notes on Mexican and Central American Psyllidae (Homoptera)
Caldwell, John S. pp. 57-64
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Book Notices
p. 64
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A New Fish Spine from the Pennsylvanian of Ohio
Wells, John W. pp. 65-68
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The Winter Fishery in Western Lake Erie, with a Census of the 1942 Catch
Doan, Kenneth H. pp. 69-74
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Book Notices
p. 74
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Sandstones and Conglomerates in Ohio
Stout, Wilber pp. 75-88
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A New Genus Mexicananus and Species of Leafhopper from Mexico Related to Phlepsius and Texananus
DeLong, Dwight M. p. 89
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New Coleoptera with Notes (Buprestidae and Cerambycidae)
Knull, Josef N. pp. 90-94
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Further Studies on Distribution and Taxonomy of Ohio Crayfishes, and the Description of a New Subspecies
Rhoades, Rendell pp. 95-99
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Book Notices
p. 99
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Back Matter
p. 999
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