a a 



FIG. 441. Venation of a cossid 

 (Prionoxystus robiniae] 



(After Comstock, from Kellogg) 



FIG. 442. Venation of a hes- 

 perid (Epargyreus tityrus) 



(After Comstock, from Kellogg) 



FIG. 443. Venation of a notodontid 

 (Notodonta stragula) 



(After Comstock, from Kellogg) 



FIG. 444. Venation of a geome- 

 trid (Dyspeptcris abortivaria] 



(After Comstock, from Kellogg) 



315 



