U2 



EVENINGS AT THE MICROSCOPE. 



and set side by side in regular whorls, the bottom edges 

 of which form the rings of which the tongue is composed. 

 The tip is probably a sensitive organ of taste, for it ter- 

 minates in a minute globose pulpy body, whose surface is 

 beset with tiny curved points. Thus I have pointed out 

 to you, in this Bee, all the parts which enter into the 



JAWS OF BEE. 



mouth of the Beetle, except the maxillary palpi; and 

 these, very small indeed, but quite distinct, you may see 

 on the outer edge of the maxillw, just below the point 

 where their outline begins to swell into its graceful curve. 

 The cylindrical tongue is capable of considerable ex- 



