OLFACTORY SENSE OF THE HONEY BEE 



321 



Por/lp 



\Cof7 <?^ 



Por/lp 



Fig. 16 Internal anatomy of olfactory pores of a honeybee, X 700. A, atypica. 

 pore with its sense cell (»SC) as actually seen in a section through the tibia. The 

 longitudinal view of the pore aperture (PorAp) is shown. The edge of the chitin 

 {Ch) and the walls of the flask (PorW) are drawn in solid black, since this part of 

 the chitin stains more deeply. In other places in this and other drawings the 

 chitin is represented by broken lines while the cones (Con) are shaded with fine, 

 broken lines. The cytoplasm (Cyt) of the sense cells is represented by dots. 

 ChL, chitinous layer; MFL, mouth of flask; NkFl, neck of flask; SF, sense fiber 

 NF, nerve fiber; SCNuc, sense cell nucleus; SCNucl, sense cell nucleoli; AGCyl, 

 deeply staining cytoplasm. B, two pores and one sense cell from a cross section 

 of the femur of the third leg; this section is one of the five included in figure 17 



