Biology of the Primary Screw Worm Fly, Cochliomyia Americana, and a Comparison of Its Stages with Those of C. Macellaria: Issues 476-500

Inheritance of Stem-rust Reaction and Correlation of Characters in Pentad, Nodak, and Akrona Durum-wheat Crosses: Issues 376-400

The Dalles Pocket Gopher and Its Influence on Forage Production of Oregon Mountain Meadows: Volumes 876-899

A Land Program for Forest County, Wisconsin: Based on an Analysis of Land Use Problems, Issues 676-700

Wheat Requirements in Europe: Especially Pertaining to Quality and Type, and to Milling and Baking Practices, Issues 526-550

Thermostablization of Shell Eggs: Quality Retention in Storage, Issues 876-900

Relation Between the Physical Properties and Chemical Components of Various Grades of Geraniol and Their Attractiveness to the Japanese Beetle: Issues 501-525

Phloem Necrosis: A Virus Disease of the American Elm, Issues 626-650

The Pan American Tomato: A New Red Variety Highly Resistant to Fusarium Wilt, Issues 601-625

Chemical Studies of Infertile Soils Derived from Rocks High in Magnesium and Generally High in Chromium and Nickel: Issues 451-475

Farming the Logged-off Uplands in Western Washington: Issues 1226-1250

Soil Erosion and Stream Flow on Range and Forest Lands of the Upper Rio Grande Watershed in Relation to Land Resources and Human Welfare: Issues 551-575

A Revision of the Mites of the Subfamily Tarsoneminae of North America, the West Indies, and the Hawaiian Islands: Issues 651-675

Crested Wheatgrass as Compared with Bromegrass, Slender Wheatgrass, and Other Hay and Pasture Crops for the Northern Great Plains: Issues 301-325

Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics, Second Report

A Study of the Reduction of Permanganic Acid by Manganese Dioxide

The Crow in Its Relation to Agriculture: Is it a Farm Pest?

Use of Honey Bees in Alfalfa Seed Production

Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics

Quality of Irrigation Waters of the Hollister Area of California: With Special Reference to Boron Content and Its Effect on Apricots and Prunes, Issues 726-750