DRAGON-FLY. 



Which pair of wings are the larger? What is the general 

 arrangement of the veins in the wings? Is the head freely 

 movable? What is the size of the compound eyes? How 

 many simple eyes do you find? How would you describe the 

 antennae? 



Are the mouth-parts fitted for biting? Do they move like 

 those of a grasshopper? Do you find upper lip (labrum)? 

 maxillae? labium? What is the character of the mandibles? 

 Are they toothed? Have any of the mouth-parts palpi? 



Do you find all three of the thoracic segments? Are those 

 present of equal size? Are they firmly united to each other? 

 What is the relative size of the legs? How many joints in 

 the foot? 



How many segments do you find in the abdomen? Are any 

 of them partially divided? On what ones do you find spiracles? 

 Are there appendages on any of the abdominal segments? 



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