17. Miicrosilii Carolina. 5 in. Like last in color, irregular marks on 

 hindwing. Caterpillar feeds on tobacco and tomato. 



18. Ceratomia qitaJriivruis. 4 in. Light rusty 

 gray shaded with dark brown, and white .spot in middle 

 of forewing, a row of black and white spots on hind- 

 wing. Feeds on elm. 



19. Diirfintiiii iiniliilitsa. 4 in. Korewing light ash gray with dark 

 brown marks, hindwing brown. 



