BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
261 
1881. [Riley, C. V.] Silk culture: How to dispose of cocoons. <Amer. 
Ent., August, 1880 |v. 3], u. s., v. 1, pp. 203-204. 
Answer to letter of C. F. Durksen; need of silk-filatures in the United States; 
present means of selling cocoons. 
1882. [Riley, 0. Y.J Best cotton-worm destroyer. <Amer. Ent., Au¬ 
gust, 1880 [v. 3], n. s., y. 1, p. 204. 
Answer to letter of J. G. Dauterive ; reference to the most reliable poison and 
the best machines and methods for applying poison to kill Aletia argillacea 
[ = xylina]. 
1883. [Riley, C. Y.J Twice-stabbed lady-bird. <Amer. Ent., Abgust, 
1880 [v. 3], n. s., v. 1, p. 204, fig. 109. 
Answer to letter of H. N. Patterson; Coccinellidce beneficial by feeding on 
Aphididce and Coccidos ; figure of CMlocorus bivulnerus ; significance of the 
presence of this beetle in large numbers on trees. 
1884. [Riley, C. Y.] Pseudo-scorpion. <Amer. Ent., August, 1880 
[v. 3], n. s., v. 1, j). 204. 
Answer to inquiry of C. H. S. Davis; habitats and food-habits of Chelifer can- 
oroides and other Chernetidce. 
1885. [Riley, C. Y.] Bluebirds feeding on parasitic and predaceous 
insects. <Amer. Ent., August, 1880 [v. 3], n. s., v. 1, pp. 204- 
205. 
Answer to letter of S. A. Forbes ; bluebirds more destructive to parasitic and 
predaceous insects than the thrushes; percentage of such food found in the 
stomachs of the bluebird; larvae of Leucania unipuncta, Telephorus bilineatus, 
and Nephelodes violans eaten by the same; probable hibernation of the first 
named ; habits, hibernation, distribution, and popular name of the Neplielo- 
des. 
188G. Riley, C.Y. The cotton destroyers. <NewOrleans Democrat, 21 
September, 1880, v. 5, No. 276, p. 8. S.-b. No. 23, pp. 170-173. 
Reprint: <8^1ma [Ala.] Times, 29 September, 1880. <South- 
ern Enterprise [Atlanta, Ga.], December, 1880, v. 5, pp. 77-82. 
S.-b. No. 23, pp. 184-189; No. 61, pp. 3-5; No. 63, pp. 57-59; 
60-62. Reprint, with slight changes: <Proc. Amer. Assoc. 
Adv. Sci. for 1880, 14 October, 1881, v. 29, pp. 642-649. Sepa¬ 
rate: <Salem, July, 1881, pp. 26-33. Extract: <Sci. Amer., 16 
October, 1880 [v. 57], n. s , v. 43, p. 241. S.-b. No. 23, pp. 159- 
160. <Amer. Ent., October, 1880 [v. 3], n. s., v. 1, pp. 245-247. 
<Prairie Farmer, 30 October, 1880, v. 51, No. 44, p. 2. S.-b. No. 
23, p. 153. Abstract: <Farmer’s Review, 7 October, 1880. S.-b. 
No. 23, pp. 162-163. <Jouru. Appl. Sci., November, 1880, v. 
11, pp. 170-171. 
Facts and principles established by the U. S. Entomological Commission, ap¬ 
plicable to the whole cotton belt, regarding the times and manner of first 
appearance of Aletia argillacea [= xylina'] and Heliothis armigera upon the 
cotton-plant; habits of the larvae and imagos and the best means of de¬ 
stroying the same; relative efficacy of several insecticides; methods of 
preparing and applying the same; importance of early poisoning; maiD 
object of the cotton-worm inquiry accomplished. 
