6 HISTORICAL NOTES ON BEE DISEASES. 



Consideration of papers on the causes of bee diseases — Continued. Page. 



White, November 6, 1906 76 



Maassen, February, 1907 78 



Imms, June, 1907 79 



WTiite, July 29, 1907 80 



Phillips, December 31 , 1907 82 



Maassen, 1908 82 



Maassen, September, 190S 85 



^^Tiite, December 2G, 1908 85 



Maiden, February, 1909 87 



Zander, August, 1909 89 



Maassen, March, 1910 91 



Maassen and Nithack, ilarch, 1910 92 



Maiden, June, 1910 92 



Zander, 1910 93 



Zander, 1911 93 



Brief chronological summary of the work on the causes of bee diseases 93 



The different diseases that attack bees 93 



The causes of bee diseases ■. 94 



Index. - 95 



