292 



AETICULATA: INSECTA. 



FIG. 362. 

 Three ocelli or simple eyes. 



Mandibles.. 



Maxillary palpi . 



Maxillae . 



Labial palpi. 



Compound eyes. 



? Antennae. 

 Clypeus (c). 

 Labrum. 



Palpifer or palpus bearer. 



Paraglossse or lateral lobes of the 



tongue. 

 Ligula or tongue attached at the 



base of the Labium. 



Front view of the Head of a Bee. 

 FIG. 363. 



Maxillae. 



A, maxilla with two lobes, and the palpifer bearing the four-jointed palpus; B, men- 

 turn and labial palpi; C, one maxilla with palpus. 



or sidewise, instead of vertical, as in the motion of the 

 jaws of vertebrated animals. The parts called maxillce 

 are much more complicated organs than the mandibles, 

 and are inserted on the under side of the head, and just 

 behind the mouth. Their function is to seize food and 

 retain it within the mouth and to aid the mandibles in 

 comminuting it. Each maxilla consists of a basal joint, 

 beyond which it is divided into three lobes namely, the 

 footstalk, the palpus-bearer, and the blade. The 



