6 HISTORICAL NOTES ON BEE DISEASES. 
Consideration of papers on the causes of bee diseases—Continued. 
White, November 6, 1906... 32222. See 5 see eee 
Maassen, Hebruary, 1902-25 senor ee fern ta ah AUS ph hap Se yet 
Tmmes; dune, 1907 2.5 Sa a 
White; Suby 29; T907 2.25. 222 ee ee ee 
Phillips, ‘December'31, VOOT Ss so re a a ee ee 
Maassen; 1908 325 1 ico ok ee pe eee Des See eee 
Maassen, September, 190852: 22 2223 sees a a ars 2 oer eee 
White: -December.26- 3908 = — 5. eee eS eee eee 
Maiden, Mebruary, F909: . 2. 2.2.2 -2 2.03.55 ee ee 
Mander, “Awoust. 1909 oo. oo se Se ee 
iMaassen)) March. 1910: .- 22 ook soea os 2. ee ee ee 
Maassen:and' Nithack “March. 1910... ... 6.2 2 32) ee 
Malden iiames POM 8 2 Sas oe te Ree a pn ele 
Mowider, VOU: Coos fee AS et Oe eee ea 
Wander: TOT. so. so oi eee hs Bb eek eee pe ee ee 
Brief chronological summary of the work on the causes of bee diseases.......-- 
The different-diseases that attack bees......2..:223. 02 2222 eee pee 
‘he icauses of bee diseases: 5... ....25..20. 2. Bea eee eee 
