Note 3 — PLAN No. 239. BACKYARD POULTRY KEEPING

For further information on the subject of poultry lice and mites and their control the reader is referred to Farmers’ Bulletin 801, “Mites and Lice on Poultry,” by F. C. Bishopp and H. P. Wood, of the Bureau of Entomology. Copies of this bulletin may be obtained free on application to the Division of Publications, United States Department of Agriculture.