90 INSECTA 



(3) The Legs. 



(a) Number of pairs? 



(b) Size. Are they equal in size, or do they vary? 



(e) Compare the first pair with the second and third 

 pairs, segment for segment. 



4. Abdomen. 



(1) Shape and size as compared with that of the grasshop- 



per? As compared with that of the moth? 



(2) Covering? 



(3) Number of segments? 



(4) Ovipositor present or absent? 



(5) Sting present or absent? Why? 



5. Metamorphosis. 



(1) Complete or incomplete? 



(2) Larvae called what? 



THE HONEY-BEE OR THE BUMBLE BEE 



Morphophysiologic Study 



1. Covering. 



What is the character of the covering of the head and 

 thorax? 



2. Antennae. 



(1) Number? 



(2) Location? 



(3) Is there any peculiarity about the antennae? If so, 



what? 



3. Compound Eyes. 



(1) Size? 



(2) Location? 



4. Simple Eyes. 



(1) Locate the three simple eyes. 



(2) How are they arranged? 



5. Mouth-parts. 



(1) Mandibles. 



(a) Are they adapted for digging or for molding wax? 



(b) Shape? 



(2) Proboscis. Pick apart the proboscis and identify, 

 (a) The elongated labium. 



