. Bulletin of the Department of Agriculture. Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE #â 1 BULLETIN No. 888 i rMt>>C|ry Contribution from the Bureau of Entomology < ^S^^^» ^- O. HOWARD, Chief. jTW^'^'We. Washington, D. C. PROFESSIONAL PAPER October 13, 1920 RESULTS OF EXPERIMENTS WITH MISCELLANE- OUS SUBSTANCES AGAINST CHICKEN LICE AND THE DOG FLEA. By W. S. Abbott, Entomologist, Enforcement Insecticide Act. CONTENTS. Page. Introduction 1 Chicken lice 2 Methods of testing 2 Oil preparations used as sprays 2 Oil preparations used as fumigants ;; Oil preparations appli
. Bulletin of the Department of Agriculture. Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE #â 1 BULLETIN No. 888 i rMt>>C|ry Contribution from the Bureau of Entomology < ^S^^^» ^- O. HOWARD, Chief. jTW^'^'We. Washington, D. C. PROFESSIONAL PAPER October 13, 1920 RESULTS OF EXPERIMENTS WITH MISCELLANE- OUS SUBSTANCES AGAINST CHICKEN LICE AND THE DOG FLEA. By W. S. Abbott, Entomologist, Enforcement Insecticide Act. CONTENTS. Page. Introduction 1 Chicken lice 2 Methods of testing 2 Oil preparations used as sprays 2 Oil preparations used as fumigants ;; Oil preparations applied to roosts, drop- ping boards, and interior of chicken houses 4 Mercurial ointment 4 Chicken-lice powders 5 Miscellaneous preparations 5 Pyrethrum powder 5 Tobacco powders 6 Naphthalene 6 Miscellaneous powdered materials 6 Summary 7 Recommendations 8 Page. The dog flea 9 Methods of testing 9 Pyrethrum powder 9 Naphthalene 10 Chicken-lice powders 11 Miscellaneous powdered mixtures 11 Miscellaneous powdered materials 11 Tobacco powders 12 Sprays 12 Washes 13 Dips 13 Liquids used as fumigants 13 Summary 14 Recommendations 15 iM INTRODUCTION. connection with the enforcement of the insecticide act of 1910 a number of proprietary insecticides and the ingredients entering into their composition have been tested against chicken lice and the dog flea. These experiments have been briefly smnmarized and form, the basis of this bulletin. This work was done at the Insecticide Board's testing laboratory, located at Vienna, Va., which is under the supervision of Dr. A. L. Quaintance, of the Bureau of Entomology, and imder the direct charge of Mr. E. W. Scott.^ Assistance was also rendered at different times by Messrs. W. F. Turner, J. F. Zimmer, and W. B. Sill. Resigned July 15, 1919. 186609°â20. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectl
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