PUBLICATIONS OF THE UNITED STATES DEPARTMENT OF AGRICULTURE RELATING TO DISEASES AND INSECTS AFFECTING SHADE AND ORNAMENTAL TREES.
AVAILABLE FOR FREE DISTRIBUTION.
Control of Root-Knot. (Farmers' Bulletin 648.)
The San Jose Scale and Its Control. (Farmers' Bulletin 650.)
The Bagworm, an Injurious Shade-Tree Insect. (Farmers' Bulletin 701.)
The Catalpa Sphinx. (Farmers' Bulletin 705.)
The Leopard Moth: A Dangerous Imported Enemy of Shade Trees. (Farmers' Bulletin 708.)
The Oyster-Shell Scale and the Scurfy Scale. (Farmers' Bulletin 723.)