344 REPORT 4, UNITED STATES ENTOMOLOGICAL COMMISSION. 
Walsh, B. D. — "The Three So-called Army Worms. 7 ' Practical Entomologist, ii. 
p. 112, 1866. 
Wells. — Year Book of Agriculture, 1355. 
[Figures the Cotton Army Worm.] 
Wetherby, A. G. — Report of the Proceedings of the Entomological Club of the Amer- 
ican Association for the Advancement of Science. Nashville meeting, 1877. Ca- 
nadian Entomologist, ix, p. 172, 1877. 
[A discussion on the migration theory, by Groto and others.] 
Willet, J. E.— Report of Prof. J. E. Willet, of Macon, Ga." Report upon Cotton 
Insects, Department of Agriculture, 1879, pp. 358-361. 
[Professor Willet's report of observations during 1878.1 
Willet, J. E. — " Experiments with Yeast Ferment on Cotton Worms." American 
Entomologist, iii, p. 289, 1880. 
Williams, Wm. H. — "Why the Cotton Worm thrives South." Rural New-Yorker, 
August 17, 1872. 
[Advises poisoned muskmelons to attract moths.) 
Winfree, P.— "The Cotton Caterpillar." De Bow's Review, iv, p. 251, 1847. 
Beimpr. — De Bow's Industrial Resources of the Southern and Western States,p. 172, 
1852. 
[Uses arguments against Dr. G-orham's migration theory. Gives personal experience with 
the Cotton Worm in the Bahamas a few years previous.] 
Witting, Geo. — " Capture of the Cotton Moth in January." American Entomologist, 
iii, p. 152, 1880. 
Youmans, E. L. — " Investigating the Cotton Worm." Popular Science Monthly, 
xiv, p. 406, January, 1879. 
[Editorial notiee of Mr. Grote's expedition South, and explanatory of the migration the- 
ory. ] 
"Zenos."— " The Cotton Caterpillar." Southern Cultivator, 1868, p. 298. 
[An account of the natural history of the insect. States that the last brood winters, in 
the chrysalis state, underground, and advises winter plowing.] 
Zimmerman, J. H. — "The Cotton Worm ; its Character, Habits, etc." American Cot- 
ton Planter, August, 1855 (from De Bow's Review). 
[Gives an account of the metamorphoses of the Cotton Worm and Boll "Worm. Advises as 
remedies rotation of crops and sugaring for the moths.] 
