LAPPING INSECTS. 



173 



will disappear, and the five pieces come plainly into 

 view. As a detailed description of this complicated 

 apparatus could not well be made intellig'ible with- 

 out magnified figures, we shall give such as appear 

 to us most interesting. 



Structure of the bee's toug^ue. 



The first of these figures {a) represents the upper 

 side of the whole apparatus, the sheaths being opened 



q3 



