36 MASS. EXPERIMENT STATION BULLETIN 201. 



(19) Lodeman, E. G. 



1896. The Spraying of Plants. P. 14. 



(20) Gray, George P. 



1914. The Compatibility of Insecticides and Fungicides. In Mo. Bui. 



State Com. Hort. Cal., Vol. 3, No. 7, p. 271. 



(21) Quayle, H. J. 



1905. Spraying for Scale Insects. Cal. Agr. Expt. Sta. Bui. 166, p. 6. 



(22) Stewart, John P. 



1909. Concentrated Lime-sulphur. Its Properties, Preparation and Use. 



In Penn. State Col. Rpt. for 1908-09, p. 262. 



(23) Salmon, D. E., and Stiles, C. W. 



1898. Sheep Scab: Its Nature and Treatment. U. S. Dept. Agr. Bur. 

 Anim. Indus. Bui. 21, p. 24, 25. 



(24) VanSlyke, L. L., Bosworth, A. W., and Hedges, C. C. 



1910. Chemical Investigation of Best Conditions for making the Lime- 



sulphur Wash. N. Y. (Geneva) Agr. Expt. Sta. Bui. 329, p. 438. 



(25) Scott, W. M. 



1915. A New Contact Insecticide. In Jour. Econ. Ent., Vol. 8, No. 



2, p. 206-210. 



(26) Cruickshanks, Geo. 



1875. The Currant. In Gardeners' Monthly, p. 45. 



(27) Cook, A. J. 



1890. Insecticides. Mich. Agr. Expt. Sta. Bui. 58. 



(28) Riley, C. V. 



1884. Kerosene Emulsions. In Ann. Rpt. Com. Agr. United States, p. 

 330. 



(29) Felt, E. P. 



1909. 25th Rpt. State Entomologist, New Vork. 



(30) Mclndoo, N. E. 



1916. Effects of Nicotine as an Insecticide. In Jour. Agr. Research, 



Vol. 7, No. 3, p. 89. 



(31) Moore, William, and Graham, Samuel A. 



1917. A Neglected Factor in the Use of Nicotine Sulphate as a Spray. 



In Jour. Agr. Research, Vol. 10, No. 1, p. 47. 



(32) Butler, 0. 



1914. Bordeaux Mixture: I. Physicochemical Studies. In Phyto- 

 pathology, Vol. 4, p. 125-180. 



(33) Hedrick, U. P. 



1907. Bordeaux Injury. N. Y. (Geneva) Agr. Expt. Sta. Bui. 287. 



(34) Bedford, Duke of, and Pickering, S. N. 



1908. Bordeaux Mixture. Woburn Expt. Fruit Farm Rpt. 8, p. 1-127. 



1910. Copper Fungicides. Woburn Expt. Fruit Farm Rpt. 11, p. 1-191. 



(35) Cook, F. C. 



1920. Pickering Sprays. U. S. Dept. Agr. Bui. 866. 



(36) Kenrick, William. 



1833. The New American Orchardist. P. 328. 



(37) Lodeman, E. G. 



1896. The Spraying of Plants. P. 16. 



(38) Cordley, A. B. 



1908. Lime-sulphur Spray to prevent Apple Scab. In Better Fruit, Vol. 

 3, No. 3, p. 26. 



(39) Wallace, Errett. v 



1910. Spray Injury induced by Lime-sulfur Preparations. N. Y. (Cor- 

 nell) Agr. Expt. Sta. Bui. 288. 



(40) Scott, W. M. 



1908. Self-boiled Lime-sulphur Mixture as a Promising Fungicide. U. S. 

 Dept. Agr. Bur. Plant Indus. Circ. 1, p. 1-18. 



