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.] 
Riley, 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 Corn and Boll "Worms established.] 
Walsh and Riley.— "The Boll Worm." American Entomologist, i, 212, July, 1869. 
Zimmerman, J. H. — "The Cotton Worm, its Character, Habits, &c." American Cot- 
ton Planter, August, 1855. 
[Establishes identity of Corn and Boll Worms, and gives an account of the metamorphoses 
ofHeliothis.] 
