HOW TO KNOW THE BUTTERFLIES 



club of the antenna; not terminated by a recurved 

 hook. (Sitpcrfamily Papilionoided), p. 35. 



The Butterflies. 



Of the cloven families of butterflies represented 

 in America north of Mexico, one (the Ithomiidce) 



FlG. 22. — Venation of the wings 

 of a skipper. 



Fig. 23. — Venation of the wings 

 of a hair-streak, 1'hccla. 



is represented only by three tropical species 

 whose range extends into the extreme southwest- 

 ern part of our territory. This family will not 

 be discussed here. The remaining ten families 

 can be separated by the following table : 



38 



