50 Maine: agricultural experiment station. 1913. 



Sanderson, Insect Pests of Farm, Garden and Orchard 296, 1912. 



Saunders, Rept. Ent. See. Ont (73) 7-17 1874. 



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Sirrine, Bui 86 N. Y. Agr. Exp. Sta. 



Sirrine, Prcc. la. Acad. Sc. ("96) 170-172 1897. 



Slingerland, Rural Xew Yorker 5C5, 2-], July 1S95. 



Slirgerland, Rural Xew Yorker S45, 15, Aug. 1856. 



Slingerland, Anier. Agriculturalist, May 1899. 



Slingerland, Orange Judd Farmer, May 1890. 



Smith, J. B., Am Rept. X. J. Agr. Exp. Sta. 430 1893. 



Smith, J. B., Ann Rept. X. J. Agr. Exp. Sta. .398 1896. 



Smith, J. B., Bui. 123 237.243. 



Smith, J. B., Ann Rept. X'. J. Agr. Exp. Sta. 580. 1903. 



Smith, J. B., Ann Rept. X. J. Agr. Exp. Sta. 524 1906. 



Smith, R. I., Bui. 197 X. C. Agr. Exp. Sta. 44. 1908. 



Smith, .R. I., Bui. 205 X. C. Agr. Exp. Sta. 12, 1910. 



Starres, Bui 29 (;a. Agr. Exp. Sta. 315 1895. 



Starnes, Bui 38 Ga. Agr. Exp. Sta. 311-317 83 1897. 



Stewart Potato Spraying Experiments X. Y. Agr. Exp. Sta. Bulletins 



Xos. Id, 113, 123, 221, 241, 264, 271, 290, 307, 311, 2,22,, 338, 349, 



1896-1912. 

 Surface, Bui 96 Dept. Agr. Penn 18-19 IQ02. 

 Symons, Bui loi Md. Agr. Exp. Sta. 180 1505. 

 Tillinghast and Adams Bui. 52. R. I., Agr. Exp. Sta. 13, 1899. 

 Thomas Trans 111 State Hort Soc. 167 ('76) 1878. 

 Walsh, Practical Ent II. 120, 1867. 

 Walsh and Riley Ann Ent. i. 21. 1868. 

 Washburn, Bui 88 Minn Agr. Exp. Sta. 82. 1004. 

 Webster, Ohio Farmer June 1898. 

 Weed, Bui. 29 X. H. .\gr. Exp. Sta. 7 pD. 1895. 



