and tts Economic Management. 69 
over, they are frequently troubled with the wax moth, 
while the latter never are. Let it be observed that black 
(native) drones are to be rigorously excluded, as these 
give bad-tempered workers when crossed with a queen of 
either of the foreign varieties. 
In concluding this chapter, I must insist that unrestricted 
or indiscriminate swarming, as hitherto generally practised, 
ts totally at variance with all true principles of breeding. To 
obtain the best results, it is absolutely necessary that all 
queens be carefully bred from the best stock only, and in 
a direct line from both queen and drone mother. 
<a SRE OTF» 
Bes 
