﻿26 BULLETIN 1371;, U. S. DEPARTMENT OF AGBICULTUEE 



(9) Edmundson, W. C. 



1918. Sprays for the control of San Jose scale. Idaho Agr. Exp. Sta. Bui. 

 108, 16 pp., illus. 

 (10). Flint, W. P. 



1920. Further tests of dry sulphur compounds for the control of the 

 San Jose scale. In 111. Div. Nat. Hist. Survey Bui. 13, pp. 

 339-343. 



(11) Forbes, S. A. 



1915. Observations and experiments on the San Jose scale. 111. Agr. Exp. 

 Sta. Bui. 180, pp. 545-561, illus. 



(12) Griffith, J. G. 



[1919]. San Jose scale. In N. Mex. Agr. Exp. Sta. Ann. Rpt. 30 (1918/19), 

 pp. 15-16. 



(13) [Haseman, L.] 



1920. Nursery and orchard insect pests. Mo. Agr. Exp. Sta. Bui. 176, 

 35 pp., illus. 



(14) and K. C. Sullivan. 



1922. An investigation to determine what insects are injurious to nursery 

 stock in the State, their life histories, distribution, injury, and 

 methods of control. In Mo. Agr. Exp. Sta. Bui. 197, pp. 62-63. 



(15) 



1923. Controlling San Jose scale with lubricating oil emulsion. Mo. Agr. 

 Exp. Sta. Circ. 109, 4 pp., illus. 



(16) HOUSER, J. S. 



1920. Recent tests of materials to control San Jose scale. In Ohio Agr. 

 Exp. Sta. Mo. Bui., vol. 5, pp. 49-51. 



(17) Melander, a. L. 



1922. Per cent of San Jose scale alive after treatment with various insecti- 

 cides. In Wash. Agr. Exp. Sta. Bui. 167 (1921), p. 26. 



(18) ■ 



1922. San Jose scale. In Wash. Agr. Exp. Sta. Bui. 175, pp. 21-22. 



(19) 



1923. Tolerance of San Jose scale to spravs. Wash. Agr. Exp. Sta. Bui. 



174, 52 pp., illus. 



(20) Parrott, p. J. 



[1924]. Sulphide sprays for control of San Jose scale. In N. Y. State Agr. 

 Exp. Sta. Ann. Rpt. 42 (1923), p. 41. 



(21) Robinson, R. H. 



1924. The preparation of spray materials. Oreg. Agr. Exp. Sta. Bui. 201, 



15 pp., illus. 



(22) Ruth, W. A. 



1922. An explanation of recent failures in San Jose scale control. 111. 



Agr. Exp. Sta. Giro. 262, 4 pp. 



(23) Shafer, G. D. 



1915. How contact insecticides kill. Mich. Agr. Exp. Sta. Tech. Bui. 21, 

 67 pp., illus. 



(24) Tanquary, M. C., and M. E. Hays. 



1920. Commercial sulphur products as dormant sprays for control of the 

 San Jose scale. Tex. Agr. Exp. Sta. Circ. 24, 7 pp., illus, 



(25) Yetter, W. p., Jr. 



1923. Lime-sulphur tests. In Ann. Rpt. State Ent. Colo. 14 (1922), pp. 



45-47. 



