ZORAPTERA 



271 



tion of the wings is represented in the figure. As the tracheation of 

 the wings of n\Tnphs has not been studied, I will not venture to make 

 any suggestions regarding the homologies of the wing-veins. 



Pig n^oQ.—Zorotypus hubbardi: i, winged adult female; 2, adult female that had 

 shed her wings; 3, nvmph of winged form; 4, wingless adult female. 5 -An- 

 tenna of adult wingless Zorotypus snyderi. (From Caudell,m Proc. lint. boc. 

 Wash., Vol. 22.) 



