THE HEAD. 



39 



HEAD OF THE BEE. 



The Os, or Mouth, of the insect is provided with 

 Beven ordinary organs, differently modified in the two 

 great divisions of masticators^ or chewing insects, and 

 suckers^ or sucking insects. These are, 1st, the upper 

 lip (labrum) ; 2d, the lower lip (labium) ; 3d, labial and 

 other palpi, or feelers ; 4th, the upper jaws (mandibles) ; 

 5th, under jaws (maxillae) ; 6th, the tongue (lingua) ; 

 and, 7th, the pharynx. 



a, Jaw of Bombus— nest digging bee. 

 5, do. Nomada— parasite bee. 



, or upper lip, is a movable organ. 



1st. The labrum 

 fastened to the upper part of the mouth and placecfbe^ 

 tween the two mandables, or upper jaws. 



