IHE THOKAX AND ITS APPENDAGES^ 



67 



F'iG. 20. — A, left front leg of worker, anterior view, showing position of notch {dd) of 

 antennii cleaner on base of lirst tarsal joint (iTur) and of closing spine (cc) on end 

 of tibia (Th) ; B, spine of antenna cleaner (tc) in Hut view; C, details of antenna 

 cleaner ; D, left middle leg of worker, anterior view ; E, left hind leg of i]ueeu, anterior 

 or outer view ; F, left hind leg of worker, anterior or outer view, showing the pollen 

 basket (Ch) on outer surface of tibia (Tb) ; (i, inner view of first tarsal joint of hind 

 leg of worker showing rows of pollen-gathering hairs and the so-called " wax shears " 

 (tf) ; II, left hind leg of drone, anterior or outer view. 



