88 



Illustrated Studies 



Fig. 156. 



Fig. 157. 



Fig. 158.-- Anatomy of bee. 



Figs. 149-161. Illustrated 

 Study of Bees and their Kin- 

 dred. — Head of worker (Fig. 

 149) : o, upper lip ; ok, chew- 

 ing jaws ; uk, grasping jaws ; 

 kt, jaw finger : //, lip finger ; 

 2, tongue. 



How do heads of drone 

 (150) "and queen (151) differ 

 as to mouth, size of the two 



compound eyes, size and posilion of the three simple eyes ? Is the head of a 

 worker more like head of drone or head of queen ? Judging bv the head, which 

 is the queen, drone, and worker in Figs. 154-156 ? Which of the three is largest? 

 Smallest ? Broadest ? 



Figure 152 shows hind leg of worker. What surrounds the hollow, us, which 

 serves as pollen basket ? The point, fh, is a tool for removing wax which is 

 secreted (c, Fig. 157) between rings on abdomen. In Fig. 158, find relative 

 positions of heart, v, food tube, and nerve chain. Is crop, /, in thorax or abdo- 

 men ? In this nectar is changed to honey, that it may not spoil. Compare 

 nerve chain in Fig. 132. 



