FIRE-BLIGHT OF APPLE PEAR, ETC. I TECHNIC 379 



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FIG. 293. A. Surface and buried colonies of Bacillus amylovorus (isolated 

 from apple) on a +14 beef-peptone agar plate. Photographed February 5, 

 1919, by direct transmitted light, X 10. 



B. From the same plate but photographed by oblique transmitted light. X 10, 



