86 INSECTA 



(5) Trace nerves to the wings. 



(6) Trace nerves to the eyes. 



(7) The Special Senses. 



(a) The eyes. 



(1) Kind? 



(2) Location? 



(b) The ears. 



Location? 



(c) The tongue. 



Taste dull or acute? 



(d) Organs of smell. 



Location? 



THE BUTTERFLY 



Morphophysiologic Study 



1. Skeleton. 



(1) External or internal? 



(2) Character? 



(3) Outgrowths or covering. 



(a) Of the body? 



(b) Of the wings? 



2. The Head. 



(1) Shape? 



(2) Antennae. 



(a) Shape? How do they differ from those of the moth? 



(b) Location on head? 



(c) Number of segments? 



(d) Use? 



(3) Compound Eyes. 



(a) Number? 



(b) Shape? 



(c) Sessile or stalked? 



(d) Location on the head? 



(e) Color? 



(f) Use? 



(4) Mouth-parts. The mouth-parts are rather difficult for 



the beginner to identify, 

 (a) The proboscis, or sucking organ, is a long coiled tube 

 composed of the modified maxillae. 



