344 REPORT 4, UNITED STATES ENTOMOLOGICAL COMMISSION. 



Walsh, B. D. — ''The Three So-called Army Worms." Practical Entomologist, ii. 

 p. 112, 1866. 



Wells. — Year Book of Agriculture, 1855. 

 [Figures the Cotton Army Worm.] 



Wetherby, A. G.— Report of the Proceedings of the Entomological Club of the Amer- 

 ican Association for tbe Advancement of Science. Nashville meeting, 1877. Ca- 

 nadian Entomologist, ix, p. 172, 1877. 



[A discussion on the migration theory, by Grote 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 mnskmelons 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. Gorham'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.] 



Zimmennan, 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 aoad Boll Worm. Advises as 

 remedies rotation of crops and sugaring for the moths.] 



