THEIR RELATION TO PLANTS 



27 



PIG ^ Bee structures: a, honey bee, pollen loaded; b, mouth parts of a long- 

 tongued bee; c, hind leg of bee showing pollen carrier; d, wax cutter and curry- 

 comb of ist joint of hind tarsus; e, antenna-cleaner of fore leg; f, hair of bumble- 

 bee; g, hair of Melissodes; h, hair of Megachile; i, hair of Xylocopa. 



