Fig. 142. A, S. amencana in part, of authors. Wings of 

 migrant from "roll" like Fig. 139 B. (68-13). 



]), S. lanigera [iiviericanxi in part of authors). Wings of 

 spring migrant from elm "rosette" like Fig. 71 in lUilletin 217. 



C, S. lanigera wings of fall migrant from mountain ash, 

 Pyriis sp. (63-11). 



