50 BULLETIN" 1349, IT. S. DEPARTMENT OF AGRICULTURE 
20, OOO 
/s,ooo 
/o,ooo 
5,000 
MAX. APR. AfAr JVA/E JULY AUG. SEPT. OCT. 
Pig. 24. — Curves showing amount of sealed brood found weekly in the various hive bodies during 
the season of 1921 in colony No. 4. The heavy unbroken line represents the total of all hive 
bodies; the dotted line the first, the narrow unbroken line the second, and the narrow broken 
line the third hive body 
