structures used in pollen collecting [7]-[9]
Mandibles of honey bee, action and role in pollen collecting [8], [13]
worker bee, use in packing pollen in the cell [31]
Maxilæ of honey bee, action and role in pollen collecting [8], [13]
Moistening of pollen by bumblebee, views of Sladen [23]-[24]
Mouthparts of honey bee, action and role in pollen collecting [8], [13]
Nectar, supposed use by worker bee for moistening pollen [24]-[29]
Palma of foreleg of worker bee, definition [8]