36 MISSOURI AGRICULTURAL EXPERIMENT STATION BULLETIN 177 



(18) MCDONNEU,, C. D. 



111. Chemistry of Fumigating With Hydrocyanic-acid Gas. U. S. D.-A. 

 B. O. E. Bui. 90. 



(19) PARROTT, P. J., HODGKISS, H. E., and SCHOENE, W. J. 



1908. Dipping of Nursery Stock in Lime-Sulphur Wash. N. Y. Exp. 

 Sta. Bui. 302. 



(20) PEARIS, L. M., and MERRIU,, J. H. 



1916. San Jose Scale. Kan. Exp. Sta. Bui. 214. 



(21) SCHOENE, W. J. 



1913. The Influence of Temperature and Moisture in Fumigating. N. 



Y. Exp. Sta. Tech. Bui. 30. 



(22) - 



1914. Analysis of Materials as insecticides and Fungicides. N. Y. Exp. 



Sta. Bui. 384. 



(23) SHAEERM, GEO. D. 



1915. How Contact Insectides Kill. Mich. Agr. Exp. Sta. Tech. Bui. 



21. 



(24) SIRRINE, F. A. 



1901. Treatment of San Jose Scale in Orchards. N. Y. Exp. Sta. 

 Bui. 209. 



(25) 



1895. N. Y. Exp. Sta. Ann. Rpt. 



(26) SUNGERLAND and CROSBY 



Manual of Fruit Insects. 



(27) STEADMAN, J. N. 



1898. San Jose Scale in Missouri. Mo. Exp. Sta. Cir. 3. 



(28) 



1898. San Jose scale in Missouri. Mo. Exp. Sta. Bui. 41. 



(29) WOODSWORTH, C. W. 



School of Fumigating. Univ. of Calif., Pomona, Calif. 



(30) 



1909. Fumigating the Apple for San Jose scale. U. S. Ent. Bui. 84. 



(31) 1910. U. S. Census Report. 



(32) Missouri Nursery Inspection Law. Mo. Exp. Sta. Cir. 63. 



(33) Cw>SE, C. V. 



1903-1906. Del. Sta. Ann. Rpts. 15:137; 16, 17, and 18:48. 



