54 BULLETIN 1349, U. S. DEPARTMENT OF AGRICULTURE 





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MAR./O MAR./7 MAR.24 MAR.3/ APR.7 APR.& 









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APR.2/ APR. 26 MAYS MAY/2 MAY/9 MAY 26 



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JOA/£2 UC/A/E9 Jt/A/E/6 JUA/E23 sS(/A/£30 <JULY 7 



Fig. 28. — Diagrammatic representation of the amount of sealed brood on each side of each frame 

 in the three hive bodies of colony No. 4 from March 10 to July 7, 1922 



