384 REPORT 4, UNITED STATES ENTOMOLOGICAL COMMISSION. 



Packard, A. S., jr. — ''The Boll Worm." Rept. on Rocky Mountain Locust and 

 other insects, &c., Ninth Ann. Rept. U. S. Geol. & Geogr. Survey, Terr., 1877, p. 778. 



Prairie Farmer.—'* The Corn Worm." 1861, p. 31. 



[Gives an account of the ravages in Kansas.] 

 Riley, C. V. — " The Corn Worm or Boll Worm." American Entomologist, ii,42, Nov., 

 1869. 



[A lengthy article with figures.] 



Eliley, C. V.—" The Corn Worm alias Boll Worm." Third Report on the Insects of 



Missouri, p. 104, 1871. 



[Ravages, food plants, geographical distribution, descriptions and figures of egg, larva, 

 pupa and imago; habits, seasons, and remedies.] 



Sanderson, E. — American Cotton Planter, Nov., 1858. 



[Identity of Com and Boll Worms established.] 

 "Walsh and Riley.— "The Boll Worm." American Entomologist, i, 212, July, 1869. 

 Zinimerman, J. H. — "The Cotton Worm, its Character, Habits, &c." American Cot- 

 ton Planter, August, 1855. 



[Establishes identity of Cora and Soil Worms, and gives an account of the metamorphoses 

 ofHeliothis.} 



