44 



Month Oi'fjans of Injects. 



On either side, near the junction of the ligula and men turn, 

 arises a jointed organ, rarely absent, called the labial jjalpus 

 (Fig. 7, hk), or, together, the labial palpi. Just within the 

 angle formed by these latter and the ligula arise the paraglossse 

 (Fig. 17, d), oiie on either side. These are often wanting. 



Fig. 7. 



Head of Bee much magnified. 



— Epicranium. 

 e e — Compound eyes. 

 a a — Antennie. 

 c— Clypeus. 

 f— Labrum. 



m— Jaws. 



■yti X — 2d .Taws. 



k /c— Labial palpi. 



^—Ligula. 



The jaws or mandibles (Fig. 7, m, m) arise one on either side 

 just below and at the side of the labrurn, or upper lip. These 

 work sidewise instead of up and down as in higher animals, are 

 frequently very hard and sharp, and sometimes armed with one 



