Agricultural Gazette of JV.S.W., December 2, 1920. 



American Foul Brood. 



a.b.f. norma! soalinl nc.lls; r.j. sunken cappings, sliowing perforation; </. sunken 



capping, not perforated ; h.l.m.n.i/.r. larvfe affected by disi^ase ; e.i.p.s. scales 



t'ormrd from dried-down larvte; il.o. pup;o alleeted by disease. 



Twice natural size. 



The Ropincss of American Foul Brood. 



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American Foul Brood Comb, showing irregular patches 

 of sunken cappings and scales. 



The position of tlie comb indicates tlie best way to 

 view the scales. 



[Illustrallons after PInllips.] 



