BIBLIOGEAPHY OF ECONOMIC ENTOMOLOGY. 267 



1938. |RiLEY, C. V.] The twig-girdler. <Amer. Ent., December, 1880 



[v 3], u. s., v. 1, p. 297, figs. 155-156. 



Answer to letter of \V. E. Maxwell ; figures of larva, pupa, aud imago of 

 Oncidrres cingulata aud of twig injured by the imago ; food-plants, habits, 

 and transformations of this insect. 



1939. [RILEY, C. V.] The bedeguar 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 Rhodites rosce; 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. ; Myrmecocyst us hortus-deorum [= melliger'] collects the saccha- 

 rine matter from these galla. 



1943. [RILEY, C. V.J Dr. Hagen's mystery. <Ca. Ent., December, 



1880, v. 12, pp. 263-264. 



Eeview of paper by H. A. Hagen ; Prodoxvs decipiens confounded with Pro- 

 nuba yuccasdla. 



1944. RILEY, C. V. 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. V. Silk-culture in the United States. Condensed ac- 



count of the silk-worm and how to inaugurate a new source of 

 wealth. <Western 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. V. 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. Dwinelle, 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 

 V them. 



