CONTENTS. 



Page. 



Infioduction 7 



The structures concerned in the manipulation of pollen 7 



The pollen supply 10 



General statement of the pollen-collecting process 11 



Action of the forelegs and mouthparts. 13 



Action of the middle legs 14 



Action of the hind legs 16 



Additional details of the basket-loading process 18 



Pollen moistening 22 



Storing pollen in the hive 29 



Summary 31 



Bibliography 33 



Index 35 



5 



