BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 233 



1C68. RILEY. C. V. Silk-culture ; a new source of wealth to the United 

 States. <Kausas City Review of Science and Industry, 1878, 

 v. 2, pp. 419-423. S.-b. No. 19, pp. 216-218. Reprint: <Proc^ 

 Amer. Assoc. Adv. Sci. for 1878, [14 July], 1879, v. 27, pp. 277- 

 283. Extract : <Kausas Farmer, 1879 : 26 February, 12 No- 

 vember. S.-b. No. 23, pp. 105-106; No. 39, pp. 91-92. .See: 

 <Ca. Ent, September [October], 1878, v. 10, p. 178. <St. 

 Louis Globe-Democrat, 28 August, 1878. S.-b. No. 19, p. 203. 



Practicability and desirability of the extensive establishment of silk-culture 

 in the United States ; sketch of efforts made towards such establishment ; 

 requisites to its success. 



1669. EILEY, C. V. The philosophy of the movements of the Kocky 



Mountain locust. <Kausas City Review of Science and Indus- 

 try, 1878, v. 2, pp. 424-427. S.-b. No. 19, pp. 218-220. Reprint : 

 <Proc. Amer. Assoc. Adv. Sci. for 1878, 14 July, 1879, v. 27, 

 pp. 271-277. See : <St. Louis Daily Globe-Democrat, 24 Au- 

 gust, 1878, v. 4, No. 95. 



Limits of breeding-grounds of and region invaded by Caloptenus spretus', 

 causes, periods, and directions of flights of the same ; causes of the limita- 

 tion of the flights; ravages; generalizations regarding locust invasions; 

 work of the U. S. Entomological Commission. 



1670. RILEY, C. V. A complete life-history of the army-worm, Leu- 



cania unipuncta, and its parasites. <25th Ann. Rept. Seer. 

 Mass. Board Agric. for 1877, 1878, pp. 243-253, figs. 

 Early history, synonymy, distribution, seasons, enemies, and parasites of 

 Leucania unipuncta; habits of larvae and of female images; descriptions of 

 all stages; figures of all stages except the egg; figures of two unnamed 

 parasitic Ichneumons. Parasitic habits of Exorista [= Nemorcea~\ leucanice, 

 E. flacicauda, Microgaster [= Apaiiteles'] militaris, Pezomaclius minimus, and 

 OpMon purgatus ; descriptions of Microgaster [=J.] militaris, Mesochorus 

 vitreus, and Ophion purgatum. Ichneumon leucanias also a parasite. 



1671. RLLEY, C. V. Phylloxera. <Johnsou's New Universal Cyclopae- 



dia, 1878, v. 3, pp. 1241-1243, 8 figs. S.-b. No. 10, pp. 192-194. 



Definition of the genus Phylloxera', list of the sixteen (16) described United 

 States species; descriptions of their galls; distribution, history, descrip- 

 tion, and figures of various stages and ravages of and means against Phyl-. 

 loxera vastatrix. 



1672. RILEY, C. V. Potato-bug. <Johnson's New Universal Cyclopae- 



dia, 1878, v. 3, pp. 1361-1364, 9 figs. S.-b. No. 10, pp. 195-198. 



List of principal enemies of potato-plant ; spread, natural history, food-plants, 

 enemies of, and means against Doryphora decemlineataj figures of the same 

 in its different stages, and of Lydella [= Exorista] doryphoroe. Calosoma cali- 

 dum, Hippodamia convergens, Mysia [= Anatis~\ IZt-punctata, Arma [ = Podi- 

 sus] spinosus, Harpactor [ Hilyas~\ cinctws, Ferillus circumcinctua, and Dory- 

 phora juncta. 



1673. RILEY, C. V. Weevil. <Johnson's New Universal Cyclopaedia, 



1878, v. 4, p. 1338, fig. S.-b. No. 14, p. 46. 



Definition of " weevil ; " mention of numerous species, with statement of 

 their food-plants and manner of obtaining food ; habits and means against 

 Sitophilus [= Calandra~] granaria and S. [=C.] ori/zce. 



