Streptomyces griseus (Krainsky) Waksman and Henrici; a taxonomic study of some strains

Bibliography: p. 29-31.

A revision of the Epilachninae of the Western Hemisphere (Coleoptera: Coccinellidae) /

Item 16.

A revision of the Genus Sennius of North and Central America (Coleoptera : Bruchidae) /

Includes bibliographical references (p. 102-104).

A revision of the genus Petalium LeConte in the United States, Greater Antilles, and the Bahamas (Coleoptera:Anobiidae) /

Includes bibliographical references (p. 35).

A revision to the New World mealybugs of the genus Rhizoecus : (Homoptera:Pseudococcidae) /

Includes index.