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SMITHSOMAN MISCELLANEOUS COLLECTIONS VOL. 63 



the second legs, and a few on the trochanter of the third legs. He 

 evidently has not examined the wings. Thus according to Hoch- 

 reuther these organs are rather widely distributed. Since the per- 



FiG. 2. — Diagram of ventral view of a worker bee, showing the location of 

 the different groups of olfactory pores as indicated by the numbers. 



ipheral ends of the sense fibers do not come into contact with the 

 outside air, but connect with the tops of the domes, he suggests that 

 they receive some kind of mechanical stimuli, although he performed 

 no experiments to determine their function. 



