124 Use of the Antenna Cleaner. 
That this organ is an antenna cleaner is quickly seen by 
watching a bee—preferably a bumble-bee—come from 4 
tubular flower, like that of the malva, or by placing a honey- 
bee, bumble-bee or wasp on the inside of a window-pane 
and dusting its antenne with flour or pulverized chalk, 
The insect at once draws its antennz, one and then the other, 
through these admirable dusters, till the organs are entirely 
free from the dust. The bee in turn cleans its antenna 
Fic. 44. 
Anterior Leg of Worker Bee, 
C Coxa. T Trochanter, 
F Femur. Ti Tibia. 
12345 Tarsal joints in C/ Claws. 
order, 
cleaners by scraping them between the inner brush-like 
faces of the basal tarsi of its middle legs, which is done 
each time after they are used to clean an antenna. The 
paper-making wasps, and I presume all wasps, clean these 
organs by passing them between their jaws, much as a 
child cleans his fingers after eating candy, except here lips 
take the place of jaws. Wecan hardly conceive of a better 
