248 MAINE AGRICUIvTURAL EJXPI^RIMENT STATION. I9II. 

 BiBUOGRAPHY SlNCE^ I9OI. 



190 1. Hunter, W. D. The Aphididae of North America. 

 Ames, Iowa, p. yj and 79. BibHography. 



1903. Washburn, F. L. Insects Notably injurious in 1902. 



Bulletin No. 'j'j Agricultural Exp. Sta. of the Univ. 

 of Minnesota, p. 45. Economic note and photo- 

 graph. 



1904. Patch, Edith M. Insect Notes for 1904. Maine Agr. 



Exp. Sta. Bui. 109, p. 179 and Fig. 33. 



1905. Felt, E. P. Park and Woodland Insects. Vol. I. 



Photograph. 



1906. Patch, Edith M. Insect Notes for 1906. Maine Agr. 



Exp. Sta. Bui, 134, p. 216. Alder Blight and At- 

 tendant Insects. 



1908. Jackson, C. F. Synopsis of the Genus Pemphigus. Pro- 

 ceedings of the Columbus Horticultural Society, pp. 

 183 and 209. 



1908. Patch, Edith M. Pemphigus tessellata: Alternate 



Host, Migrants and True Sexes. Entomological 

 News. Dec. 1908, p. 484. Photograph. 



1909. Patch, Edith M. Pemphigus tessellata Fitch« Journal 



of Economic Entomology, Vol. 2, p. 35. 



1909. Gillette, C. P. Plant Louse Notes, Family Aphididae. 



Journal of Economic Entomology Vol. 2, pp. 354 

 and 355. Fig. 8, Plate 12. 



1910. Davis, J. J. IlHnois Aphididae. Journal of Economic 



Entomology. Vol. 3, p. 411. 



