302 



N. E. McINDOO 



Fig. 2 Diagram of dorsal view of a worker bee, showing the location of the 

 different groups of olfactory pores as indicated by the numbers. 



to have the same general shape, it may be regarded as constant 

 and if the pores are close together it may be regarded as definite ; 

 otherwise.it may be considered as inconstant and scattered. 



