BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 267 
1938. | Riley, C. V.] The twig-girdler. <Amer. Ent., December, 1880 
[v 3], n. s., v. 1, p. 297, figs. 155-156. 
Answer to letter of W. R. Maxwell; figures of larva, pupa, and imago of 
Ondderes cingulata and of twig injured by the imago; food-plants, habits, 
and transformations of this insect. 
1939. [Riley, C. V.] The bedegua'r of the rose. <Amer. Ent., Decem¬ 
ber, 1880 [v. 3], n. s., v. 1, p. 298, fig. 154. 
Answer to letter of L. C. Bryan; account of the gall of Ehodites roses', figure 
of the same. 
1940. [Riley, C. V.] Minute borers in cherry, peach, and plum-trees. 
<Amer. Ent., December, 1880 [v. 3], n. s., v. 1, p. 298. 
Answer to letters of J. L. Bennett and M. H Boye ; ravages, food-plants, and 
distribution of Scolytus rugulosus ; food-habits of the species of Scolytus. 
1941. [Riley, C. V.] Smilax injured by cut-worms. <Amer. Ent., 
December, 1880 [v. 3], n. s., v. 1, p. 298. 
Answer to letter of G. Thommen; habits, ravages, and food-plants of Agrotis 
saucia. 
1942. [Riley, C. V.] Honey-producing oak-gall. <Amer. Ent., De¬ 
cember, 1880 [v. 3], n. s., v. 1, p. 298. 
Answer to letter of H. C. McCook; secretion of saccharine matter by galls 
growing on Quercus undulata ; description of these galls, Cynips quercus- 
mellaria n. sp.; Myrmecocystus hortus-deorum [= melliger'] collects the saccha¬ 
rine matter from these galls. 
1943. [Riley, C. Y.J Dr. Hagen’s mystery. <Ca. Ent., December, 
1880, v. 12, pp. 263-264. 
Review of paper by H. A. Hagen; Prodoxus decipiens confounded with Pro- 
\ nub a yuccasella. 
1944. Riley, C. Y. Acorn-gall. <Trans. Acad. Sci. St. Louis, 1880, 
v. 4, p. 1 Proc. 
Gall mistaken for abortive acorn, by G. B. Emerson, in his “Trees and shrubs 
of Massachusetts.’' 
1945. Riley, C. Y. Silk-culture in the United States. Condensed ac¬ 
count of the silk-worm and how to inaugurate a new source of 
wealth. <Westeru Farmer’s Almanac for 1881, 1880, pp. 35- 
39, 4 figs. S.-b. No. 23, p.—. 
Practicability and desirability of the culture of Sericaria mori in the United 
States; requisites to its success; superiority of S. mori over all other in¬ 
sects for silk-culture; brief illustrated natural history of the same; direc¬ 
tions for silk-culture. 
1946. Riley, C. Y. Legislation to control insects injurious to vegeta¬ 
tion. <Farmer’s Review, 20 January, 1881. S.-b. No. 23, p. 
148. Reprint: <Amer. Nat., April [25 \»archj, 1881, v. 15, pp. 
322-323. <Indiana Farmer, 16 April, 1881. S.-b. No. 23, p. 
149. Notice : <Farmer’s Review, 20 January, 1881. S.-b. No. 
23, p. 170. 
Appointment of C. H. Dwindle, by the California State Horticultural So¬ 
ciety, on a committee to consider what legislation is desirable to check the 
spread of noxious insects and to force land-owners to destroy the same; 
notice of the previous passage of such laws and of anticipated objections 
to them. 
