340 REPOET 4, UNITED STATES ENTOMOLOGICAL COMMISSION. 
Riley, C. V.— "The Cotton Worm in the United States." Proceedings of the Ameri- 
can Association for the Advancement of Science, xxviii. Saratoga meeting, 1879. 
[Brings forward arguments against the migration theory and gives recent discoveries made 
in the course of the official investigation.] 
Riley, C. V. — " The Cotton Worm in the United States." Abstract of a paper read be- 
fore the Saratoga meeting of the American Association for the Advancement of 
Science. American Entomologist, iii, p. 93, 1880. 
[Refutes Grote's migration theory. ] 
Riley, C. V.— "The Cotton Worm." Galveston News, October 24, 1879. 
[An answer to W. J. Jones and to the charges of "Investigator."] 
Riley, C. V. — "On the Hibernation of the Cotton Worm." From advance sheets, 
Bulletin 3, United States Entomological Commission. American Entomologist, 
iii, p. 6, 1880. 
[A long article favoring the hibernation of a small percentage of the moths in the more 
southern portions of the Cotton Belt.) 
Riley, C. V. — "Two valuable Insecticides." American Entomologist, iii, p. 41, 1880, 
From advance sheets, Bulletin 3, United States Entomological Commission. 
[London purple and Pyrethrum.] 
Riley, C. V— "The Cotton Worm." Bulletin 3, United States Entomological Com- 
mission. Department of Interior. Washington, 1880. 
[A paper-covered volume of 144 pp., one colored plate and many wood-cuts.] 
Riley, C. V. — "A new Genus of Proctrotrupidae." American Entomologist, iii, p. 52, 
1880. 
[Describes Didyctium n. g., zigzag n. sp., a parasite of the Cotton "Worm.] 
Riley, C. V.— "Cotton Caterpillars." Selma Times, June 25, 1880. 
Riley, C. V. — "How to manage the Cotton Worm. Suggestions to Cotton Planters/' 
Farmers 7 Review, July 8, 1880. 
Riley, C. V.— "The Cotton Worm." American Entomologist, iii, p. 67, 1880. 
[From Bulletin 3, United States Entomological Commission.] 
Riley, C. V. — "Sowing Cotton Seeds in hot beds and transplanting as a means of 
preventing injury from the Cotton Worm." American Entomologist, iii, p. 107, 
1880. 
[Suggestion disapproved on account of difficulty of transplanting without injury.] 
Riley, C. V. — " Cotton Culture and the Insects injuring the plants at Bahia, Brazil." 
American Entomologist, iii, p. 128, -1880. 
[Contains a letter from R. A. Edes, United States Consul at Bahia.] 
Riley, C. V. — "Early appearance of the Cotton Worm." American Entomologist, iii, 
p. 149, 1880. 
[Appearance of the worms in 1880 noted on April 29 and May 8.] 
Riley, C. V. — "Sprinklers and Atomizers." American Entomologist iii, p. 185-211, 
1880. 
[Principally extracted from Bulletin 3, United States Entomological Commission. ] 
Riley, C. V. — "Supplementary Instructions to Agents of the United States Ento- 
mological Commission." American Entomologist, iii, p. 218, 1880. 
Riley, C. V. — "The Cotton Destroyers." New Orleans Democrat, September 21, 
1880: Selma Times, September 29, 1880. 
[A long letter to the Democrat with the subheads: Principles established; The best poi- 
sons ; London purple ; Pyrethrum ; Oils ; Improved appliances ; Poisoning from below ; 
Early poisoning ; Weather; Conclusions.] 
Riley, C. V.—" Additional Experiments with Pyrethrum." American Entomologist, 
iii, p. 242, 1880. 
[An account of experiments upon Cotton Worms made by Mr. H. G. Hubbard.] 
Riley, C. V.— " Insecticides now in use in the South for the Protection of Cotton/' 
American Entomologist, iii, p. 245, 1880. From the Scientific American. 
