250 BIBLIOGRAPHY OP ECONOMIC ENTOMOLOGY. 



1769. RiLEY, C. V. Continued. 



tory and refutation of the annual immigration theory; division of the 

 cotton belt into regions wherein, respectively, A. argillaceq [xylina~\ is 

 permanent and temporary ; food-habits and euernies of the same. 



1770. [RiLEY,C.Y.] The migrations of butterflies. <Ainer.Ent, April, 



1880 [v. 3], n. s., v. 1, pp. 100-102, figs. 34-35. 



Migratory flights of Lepidoptera supposed to be due to excessive multiplica- 

 tion of individuals and to a true migratory instinct ; directions, times, and 

 extent of migrations of Danais archippus; explanation of the migratory 

 instinct; distribution of D. archippus and Pyrameis cardui; figures the 

 former and its manner of clustering. 



1771. [RiLEY, C. V.] Gouty gall on blackberry and raspberry canes. 



<Amer. Ent., April, 1880 [v, 3], n. s., v. i; p. 107. 

 Answer to letters of P. S., T. A. C., and J. W.; seasons, ravages of and means 

 against Agrilus ruficollis. 



1772. [RiLEY, C. V.] Sowing cotton seeds in hot-beds and transplanting 



as a means of preventing injury from the cotton- worm. <Amer. 

 But., April, 1883 [v. 3], n. s., v. 1, p. 107. 

 Impracticability of W. J. W.'s suggestion as indicated in title. 



1773. [RiLEY, C. Y.] Not the cotton-moth. <Amer. Ent., April, 1880 



[v. 3], u. s., v. 1, p. 107. 



Answer to inquiry of D. B. Woodbury; food-plants of Tolype velleda. 



1774. [RiLEY, C. V.] Moths caught in Alabama : Muscle shaped bark- 



louse on apple-trees South <Amer. Ent., April, 1880 [v. 3], 

 n. s., v. 1, pp. 107-108. 



Mentions several insects received from J. F. Bailey, of Marion, Ala. ; larva of 

 Papilio philenor feeds on Aristolochia ; Bombus virginicm $ robs hives of Apis 

 mellifica; Mytilaspis pomicorticis [ =pomorum~\ not before received from so 

 far south ; means against the same. 



1775. [ RILEY, C. Y.J Chrysalides supposed to be those of Aletia. 



<Amer. Ent., April, 1880 [v. 3], n. s., v. 1, p. 108. 



Answer to letter of W. J. Jones ; pupae of Agrotis inermis [=sowcia] and Pro- 

 denia lineatella from cotton field. 



177C. [RiLEY, C. V.] Apple-twig borer. <Amer. Ent., April, 1880 fv. 



3], n. s., v. 1, p. 108. 



Answer to inquiry of T. V. M. ; occurrence and habits of Amphicerus bicau- 

 datus. 



1777. [RiLEY, C. Y.] Clover- weevil. <Amer. Ent., April, 1880 [v. 3], 



n. s., v. 1, p. 108. 



Answer to inquiry of W. W. F. ; several "weevils" infest clover-seeds; Hy- 

 lesinus trifolii infests the roots and lower part of the stem. 



1778. [RiLEY, C. Y.] Effects of cold applied to the chrysalides of but- 



terflies. <Amer. Ent., May, 1880 [v. 3}, n. s., v. 1, pp. 110-111. 

 Notice of the experiments of W. H. Edwards ; effects of hibernation in the 

 chrysalis and -imago states. 



1779. [RiLEY, C. Y.] Moth issuing from a larva. <Amer. Ent., May, 



1880 [v. 3], n. s., v. 1, p. 114. 



Notice of J. J. Weir on the issuance of Orgyia sp. from the larva without 

 passing through the pupal stage. 



