CONTENTS. 
Page. 
Introduction 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 
