5 S THE HUMBLE-BEE 



n 



rear their young. Lucorum is milder tempered and 

 less vigilant than terrestris, and one can well imagine 

 that in a contest between a terrestris and a lucorimi 

 the terrestris would be victorious. 1 



1 See my article in the Entomologists Monthly Magazine for 1S99, p. 233. 



