THEIR RELATION TO PLANTS 



27 



Fig. 7. — Bee structures 



honey bee, pollen loaded; 



b. mouth parts of a long- 

 d, wax cutter and curry. 



tongued bee; c, hind leg of bee showing pollen earner^ v ,f hnmble 



rongucu u , , - antenna-cleaner of foreleg; f. hair of bumble 



comb of ist joint of hind tarsus 



bee; g. hair of Melissodes; h. hair of Mcgachtle; 



hair of Xylocopa. 



