88 



Illustrated Studies 



FIG. 157. 



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; 

 *, tongue. 



How do heads of drone 

 (150) and queen (151) differ 

 as to mouth, size of the two 



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

 worker more like head of drone or head of queen ? Judging by 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, its, which 

 serves as pollen basket ? The point, /A, 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. 



FIG. 158.-- Anatomy of bee. 



