BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 235 



1681. RILEY, C. Y. Entomological notes. The chinch-bug. <Farmer's 



Review. February, 1879, 2 figs. S.-b. No. 23, pp. 111-112. 



Figures of all stages, ravages, natural history, and means against Blissus 

 leucopterus ; its method of hibernation, and the effect of weather upon it. 



1682. RILEY, C. V. Notes on the apple-worm. <Colman's Rural 



World, 5 March, 1879. S.-b. No. 23, p. 102. Reprint with slight 

 changes : < Amer. Nat., August [July], 1879, v. 13, pp. 523- 

 524. <Ann. Rept. [TJ. S.] Commissioner Agric. for 1878, 22 

 November, 1879, pp. 238-239. 

 See No. 1721 for synopsis of contents. 



1683. RILEY, C. V. The rice-weevil. Serious injury to stored and to 



cribbed corn. <Farrner's Review, March, 1879, fig. S.-b. No. 

 23, p. 99 ; 112. 



Figures larva, pupa, and imago of Calandra oryza? and imago of C. granaria ; 

 habits, ravages, and means against the same; description of egg and 

 method of oviposition of C. oryzce ; use of carbon bisulphide against these 

 insects; poisonous effects of eating the comminuted beetles. 



1684. RILEY, C. V. [Letter to W. G. Le Due.] <Boston Daily Herald, 



4 April, 1879. <Psyche Advertiser, 11 April, 1879, v. 2, p. 9. 

 <Eht. Nach., 1 July, 1879, jahrg. 5, p. 177. 



The reason for which the author resigned as entomologist of the U. S. De- 

 partment of Agriculture was not ill-health. 



1685. RILEY, C.V. Preventing rot in plums. <N. Y. Tribune, 9 April, 



1879. S.-b. No. 23, p. 110; 129. 



Trapping and jarring recommended as a means against Conotrachelus nenu- 

 phar. 



1686. [ RILEY, C. Y.] A new insect pest. <Colorado Farmer, 10 April, 



1879, v. 12, No. 15, p. 6. S.-b. No. 23, p. 108. 



Injury to orchards and ornamental trees in California by Dorthesia [chara- 

 cias?], introduced from Australia; ravages of D. characias in southern 

 Africa; prospective ravages in California; means against it. 



1687. RILEY, C. V. The nervous system and salivary glands of Phyl- 



loxera, <Psyche, 11 April, 1879, v. 2, pp. 225-226: 

 Correctness of E. L. Mark's conclusion that the author had mistaken nerve 

 cords for tracheae; dissent from M. Cornu's view that the root swellings 

 caused by Phylloxera are due to mechanical action of the puncture and 

 the subsequent absorption of liquids ; swelling considered to be caused by 

 the introduction of a salivary secretion. 



1688. RILEY, C. Y. Mr. Henderson's experiments. < Gardener's Mo. 



and Hortic., April, 1879, v. 21, pp. 120-121. S.-b. No. 23, p. 

 107. 



Review of P. Henderson's " Carnivorous plants ; " believes that Dioncpa and 

 Drosera are nourished by the insects digested by their leaves. 



1689. RILEY, C. Y. The migrations and hibernation of Aletia argilla- 



cea. < Washington [D. C.] World, 10 May, 1879. <Science 

 News, 1 June, 1879, v. 1, pp. 230-232. S.-b. No. 23, pp. 119- 

 120. <Sci. Amer., 14 June, 1879 [v. 54], n. s., v. 40, p. 375. 

 <Galveston [Tex.] Daily News, 24 October, 1879, v. 38, p. 2. 



