views as to pollen moistening by worker bee [23]-[24], [27]
Spur of middle tibia of worker bee, figure [9]
Storing pollen in the hive [29]-[31]
Structures of honey bee concerned in manipulation of pollen [7]-[9]
"Sweat glands" of Wolff within hind tibia and planta of worker bee, supposed function [24]
Tibia of hind leg of worker bee, modifications and structures for pollen collecting [9]
Tibiæ of worker bee, figures [8], [9], [10], [11]
Tongue of worker bee, action and role in pollen collecting [8], [13]