Front Matter
p. 0
Article description | Article Full Text PDF (1383KB)

A Cytological Analysis of a Naturally Occurring Helianthus Hybrid
Long, Robert W. pp. 65-69
Article description | Article Full Text PDF (954KB)

Notes on the Genus Macrorhoptus Leconte (Coleoptera: Curculionidae, Anthonominae) : 16. A Contribution to the Knowledge of the Curculionoidea
Sleeper, Elbert L. pp. 70-74
Article description | Article Full Text PDF (409KB)

The Hydrolysis of Sucrose, Lactose, and Cellobiose by Small Intestinal Mucosa in Vitro : Relationship to Laxation in the Rat Produced by These Disaccharides in Vivo
Fischer, Jessie E.; Sutton, T. S. pp. 75-80
Article description | Article Full Text PDF (596KB)

Pleistocene Molluscan Faunules of the Sidney Cut, Shelby County, Ohio
La Rocque, Aurele; Forsyth, Jane L. pp. 81-89
Article description | Article Full Text PDF (729KB)

Book Notice
p. 89
Article description | Article Full Text PDF (66KB)

Range Extension of Eumeces Fasciatus (Scincidae) into Sandusky County, Ohio
Britt, N. Wilson p. 90
Article description | Article Full Text PDF (86KB)

The Insemination of Body Cavity and Oviducal Eggs of Amphibia
Aplington, H. W., Jr. pp. 91-99
Article description | Article Full Text PDF (2225KB)

Book Notices
pp. 99-100
Article description | Article Full Text PDF (193KB)

Sound Production and Associated Behavior in Insects
Alexander, Richard D. pp. 101-113
Article description | Article Full Text PDF (3127KB)

Book Notice
p. 113
Article description | Article Full Text PDF (61KB)

The Carbonate Concretions of the Ohio Shale
Clifton, H. Edward pp. 114-124
Article description | Article Full Text PDF (2468KB)

Back Matter
p. 999
Article description | Article Full Text PDF (1766KB)