INTRODUCTION H 



their family form and habits, and thus 

 separated themselves from all other hy- 

 menoptera. 



Early in their history there was no dis- 

 tinction between bees and wasps. There 

 were no bees, no wasps. There were in- 

 sects wavering, as it were, between becom- 

 ing bees or becoming wasps, and some of 

 these, caring only for honey and pollen, in 

 time crystallised into bees with the neces- 

 sary structure and mind for procuring a 

 living of pollen and honey. Others, more 

 adventurous and more carnivorous in their 

 appetites, crystallised finally into wasps, 

 with their strength, ferocity, and skill in 

 capturing living prey. 



It must not be supposed that the ten- 

 dency toward beehood resulted in the 

 development of but one form of bee. 

 Though all the beeward-tending insects 

 preferred pollen and honey, not all of 

 them devised the same way of getting and 

 using their pabulum. There developed one 



