Front Matter
p. 0
Article description | Article Full Text PDF (1281KB)

Bacterial Activities in the Subaquatic Soils of Lake Erie
Beaver, Wm. C. pp. 91-98
Article description | Article Full Text PDF (740KB)

Reflectivity of Thin Films
Roseberry, H. H.; Schmidt, P. L. pp. 99-102
Article description | Article Full Text PDF (306KB)

The Pleistocene Geology of the Fostoria Quadrangle
Shaffer, Paul R. pp. 103-108
Article description | Article Full Text PDF (1308KB)

A Further Note on the Nitrogen Metabolism of Stereum Gausapatum Fries
Herrick, J. Arthur; Alexopoulos, Const. J. pp. 109-111
Article description | Article Full Text PDF (292KB)

Occurrence of Porocephalus Crotali Humboldt in Florida
Brues, Charles T. p. 112
Article description | Article Full Text PDF (129KB)

The Pit-Building Activities of Ohio Ant-Lions
Haub, James G. pp. 113-116
Article description | Article Full Text PDF (354KB)

The Effect of Mutilation on the Tapeworm Taenia Taeniaeformis
Miller, Joe N.; Bunner, Wm. P. pp. 117-121
Article description | Article Full Text PDF (925KB)

Book Notices
p. 121
Article description | Article Full Text PDF (43KB)

A New Species of Cylindrocystis
Taft, Clarence E. p. 122
Article description | Article Full Text PDF (71KB)

Studies of the Genus Empoasca (Homoptera, Cicadellidae). Part IX, Some New Species of Empoasca from Southwestern United States and Mexico
Davidson, Ralph Howard; DeLong, Dwight M. pp. 123-126
Article description | Article Full Text PDF (302KB)

Book Notices
p. 126
Article description | Article Full Text PDF (63KB)

Double Integral Variation Problems with Prescribed Transversality Coefficients
La Paz, Lincoln pp. 127-130
Article description | Article Full Text PDF (286KB)

Back Matter
p. 999
Article description | Article Full Text PDF (1215KB)