442 APPENDIX 
Field Crops 
Farmers’ Bulletins: 
35 Potato Culture 
537. How to Grow an Acre of Corn 
544 Potato Tuber Diseases 
678 Growing Hard Spring Wheat 
680 Varieties of Hard Spring Wheat 
Soils 
Books on general agriculture usually give all the information on this 
subject that our readers are apt to need. 
Farmers’ Bulletins : 
257 Soil Fertility 
406 Soil Cultivation 
Weeds 
Farmers’ Bulletin : 
660 Weeds, How to Control Them 
Plant Diseases. Insects. 
Farmers’ Bulletins : 
856 Control of Diseases and Insect Enemies of the Home Vegetable Garden 
939 Cereal Smuts and the Disinfection of Seed Grain 
For Part II. Insecrs 
Most of the books on nature study and also those on general agri- 
culture devote a chapter to the consideration of insects. More extended 
treatment may be found in such special works as the following: 
Insect Life, Comstock. Appletons. 
Economic Entomology, Smith. Lippincott. 
Entomology for Beginners, Packard. H. Holt & Co. 
Insects and Insecticides, Weed. Orange Judd & Co. 
Field Book of Insects, Lutz. Putnam. 
Brief Guide to the Common Butterflies, Scudder. H. Holt & Co. 
Farm Friends and Farm Foes, Weed. D.C. Heath & Co. 
Farmers’ Bulletins : 
155 How Insects Affect the Health of Rural Districts 
640 Hessian Fly 
657 Chinch Bug 
679 House Flies 
