Descriptions of types of principal American varieties of spinach /

Includes index.

Descriptions of types of principal American varieties of orange-fleshed carrots /

Prepared jointly by specialists of the United States Department of Agriculture, Cornell University, and the experiment stations of California, Louisiana, Minnesota, Texas, and Virginia.

A revision of the North American aphids of the genus Myzus /

Copy 2: Amer. Ent. Soc. QL523.A6M3.

Descriptions of types of principal American varieties of red garden beets /

Includes indexes.

A revision of the North American species of buprestid beetles belonging to the tribe Chrysobothrini ...

Contribution from Bureau of entomology and plant quarantine.

New species of North American bees of the genus Dufourea (Hymenoptera, Halictidae) with descriptions of two previously undescribed females /

Cover title.

A revision of the American species of Hibiscus section Bombicella (Malvaceae) /

Includes indexes.

The North and Central American species of Meibomeus (Coleoptera: Bruchidae: Bruchinae) /

Cover title.

The North American species of Forcipomyia, subgenus Euprojoannisia (Diptera: ceratopogonidae) /

Issued Dec. 1978.

The North American species of whiteflies of the genus Trialeurodes /

Includes indexes.

A revision of the North American species of beetles belonging to the family Bostrichidae /

Contribution from Bureau of Entomology and Plant Quarantine.

The Annual of the American Schools of Oriental Research.

Editors: 1919/20, C. C. Torrey; 1921/22, W. J. Moulton; 1922/23-1924/25, B. W. Baxon; 1925/26-1930/31, H. J. Cadbury; 1931/32- M. Burrows and E. A. Speiser.

Proceedings at the laying of the corner-stone of the American Academy of Arts and Letters, New York city, November 19, 1921.

Mode of access: Internet.

The Rhine and its legends. A souvenir of the days of the American army of occupation in Germany,

On cover: Compliments of the American Y.M.C.A.

Bureau of Labor Statistics conference with research directors of national and international unions.

Title from cover.