BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 283 
2029. Riley, C. Y. Crambus vulgivagellus. <Amer. Nat., November 
[28 October], 1881, v. 15, pp. 914-915. 
Excessive abundance of this species in the eastern United States in 1881; de¬ 
scription of the egg; method of oviposition. 
2030. Riley, C. Y. Larval habits of Sphenophori that attack corn. 
<Amer. Nat., N ovember [28 October], 1881, v. 15, pp. 915-916. 
Several species of Sphenopi torus injurious to maize-plants in different parts of 
the United States; habits and ravages of S. robustus. 
203L. [Riley, 0. Y.] Effect of drought on the Hessian fly. <Amer. 
Nat., November [28 October], 1881, v. 15, p. 916. See : <N. E. 
Farmer, 10 December, 1881. S.-b. No. 45, p. 39. <FarmeEs 
Review, 15 December, 1881. S.-b. No. 45, p. 99. 
Hot and dry weather dries up and kills Cecidomyia destructor and its parasites. 
2032. [Riley, C. Y.] Simulium from Lake Superior. <Amer. Nat., 
November [28 October], 1881, v. 15, p. 916. 
Notice of paper by H. A. Hagen; larvae and pupae from Lake Superior simi¬ 
lar to those of S. pictipes, but the imagos from the same locality are different. 
2033. [Riley, O. Y.] Coleopterous cave fauna of Kentucky. <Amer. 
Nat., November [28 October], 1881, v. 15, pp. 916,917. 
Notice of H. G. Hubbard’s investigations; Adelops contains but one species, 
which seems to be equally common in all caves in the State; Ancphthalmus 
contains several species, and more may be expected to be fouud. 
2034. [Riley, C. Y.] Hemipterological studies. <Amer. Nat., No¬ 
vember [28 October], 1881, v. 15, p. 917. 
Notice of paper of V. Signoret. 
2035. [Riley, C. Y.J Entomology in Buffalo, N. Y. <Amer. Nat., 
November [28 October], 1881, v. 15, p. 917. 
Notice of Vol. 4, IJo. 1, of the Bulletin of the Buffalo Society of Natural 
Science; list of entomological papers therein. 
2036. [Riley, O. V.] Lampyridw. <Amer. Nat., November [28 Octo¬ 
ber], 1881, v. 15, p. 917. 
Notice of paper by J. L. Leconte. 
2037. [Riley, C. Y.J Severe cold and hibernating apple-worms. 
<Amer. Nat., November [28 October], 1881, v. 15, p. 917. 
According to A. J. Cook larvm of Carpocapsa pomonella were killed in their 
cocoons where exposed to the severe cold of the winter of 1880-1881. 
2038. Riley, C. Y. [ Address delivered 4 November, 1881, at the cotton 
convention held in Atlanta, Ga., 2-4 November, 1881.] <[U. 
S. Department of Agriculture.] Address of Hon. George B. 
Loriug... and other proceedings of the cotton convention, 
Washington, 1881, pp. 19-35. Reprint: <Atlanta Constitu¬ 
tion, 5 November, 1881. S.-b. No. 24, p. 34. 
Beneficial and injurious influence of insects; methods of counteracting the 
same; ravages and natural history of and search for means against Aletia 
argillacea l=xylina']; improved methods and contrivances for the applica¬ 
tion of poisons to plants. 
