24 
IMPREGNATION OF 
are found when there are no drones $ 
and to meet this weighty objection^ 
Mr Huisfa says he made some ex¬ 
periments by which he found, that the 
eggs which are in the cells at the 
drone killing... time, being fructified 
by them, continue in that state, on 
account of the refrigeration of the 
atmosphere that ensues, till the ge¬ 
nial heat of spring hatches them* 
This, we think, is at least the more 
unlikely side of the question. But to 
return from this digression?--- 
Gn the 2nd of July the Swiss A- 
piarlan set at liberty an unimpreg¬ 
nated young queen 11 days old* She 
quickly took flight? and returned in 
