General work against insects which defoliate shade trees in cities and towns
By: L. O. Howard
Contributors: United States. Division of Entomology; United States. Dept. of Agriculture
Series: Circular / U. S. Dept. of Agriculture. Division of Entomology -- no. 15, Second Series.; Circular (United States. Division of Entomology) -- 2nd ser., no. 15.
Publisher: U.S. Dept. of Agriculture, Division of Entomology
Published: 1896
Place of publication: Washington, D.C
Language: eng
Subjects: Trees; Diseases and pests
Notes: Circular No. 15, Second Series.

"March 6, 1896."

At head of title:  U.S. Department of Agriculture, Division of Entomology.

"In advance from an article entitled: 'The shade-tree insect problem in the eastern United States,' to be published in the Yearbook of the Department for 1895."
Table of contents: title: Intelligent supervision desirable. pp. 1.; title: Kind of apparatus to use. pp. 2.; title: When the work should be done; title: Cooperative effort. pp. 3.