4 BULLETIN 06, U. S. DEPARTMENT OE AGRICULTURE. 



A series of clamps, which drew over screw heads, held the several 

 parts firmly together, preventing the bodies from sliding and snapping 

 the stems of the thermometers. 



The ''dummies" above mentioned consisted of ordinary frames 

 into which boards were fitted snugly. These were used in the winter 

 months instead of the two outside frames on either side of the hive, 

 thus forcing the cluster to occupy six frames in the center of the 

 brood chamber. In this way it was made certain that the cluster 

 would not shift away from the thermometers during the whiter. The 



Fig. 3.— The hive from above, showing the spacing of the frames. The corks in the cover indicate the 



location of the thermometers. 



■'dummies'' were removed when brood rearing became established 

 in the spring. These were not intended primarily for protection and 

 did not fit the hive tightly. 



In order to eliminate the annoyance and possible complications 

 from propolizing, all the interior wooden parts were varnished and 

 polished to a piano finish. 



It should be said that not all of the parts of the apparatus provided 

 were pressed into service. The extra body, D, was not needed, and 

 consequently the honey board, E, was not used. The outfit as 



