176 BOYS AND GIRLS IN BIOLOGY. 



honey is rather sticky stuff. In the butterfly's sucker, or 

 mouth, you see one large opening and several smaller 

 ones (Fig. 143). The large one is probably for the pas- 



Fio. 143. 



Food -passage. 

 Air holes. 



A Cross-Cut or Section of Tube. 



sage of the food, and the smaller ones for the air with 

 which he sucks the food. On the outside, toward the 

 end of the sucker, you see a number of little buds (Fig. 

 144). These are probably the butterfly's tongues, with 



Fig. 144. 



Taster. Taster. 

 End of Butterfly's Bill, showing the Tasters. 



which he tastes the honey before eating it. This mouth 

 is a very perfect piece of machinery, and yet so small, 

 that the whole thing is not thicker than a horse-hair. 

 No human hand could make such a piece of w T orkman- 



