310 



N. E. McINDOO 



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Fig. 14 Olfactory pores on the sting of a worker bee. A, diagram of lateral 

 view of a worker bee's sting and its accessory parts, showing location of olfactory 

 pores as indicated by the numbers; B, dorsal view of the tip end of shaft {S>h,, 

 fig. 14 A), showing the pore canals il^orCl) of olfactory pores running into the 

 body cavity (BC), X 185; C and D represent pores from a and e of figure 14 A, 

 respectively, X 465; E shows five pores from c of 14 A, X 465; F, tip end of lancet, 

 showing pore canals {PorCl) running into the body cavity (BC), X 465; G, eight of 

 the ten pores from group 21, X 465. 



consists of 15 pores. Group 8 is constant in position on all three 

 legs, but group 9 is not found on the first two. Groups 10 and 

 11, 16 and 17 are constant, with practically the same number of 

 pores on each leg. Groups 12 to 15 are present on all three legs 

 but may vary slightly in position and do vary greatly in number 

 of pores. On the second leg group 12 is definite, with 15 pores. 

 Group 18 is constant, consisting of 2 or 3 pores. 



