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, uatural 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. [U. S.] Commissioner Agric. for 1878, 22 
November, 1879, pp. 238-239. 
See No. 1721 for synopsis of contents. 
1683. Riley, C. Y. The rice-weevil. Serious injury to stored and to 
cribbed corn. <Farmer’s Review, March, 1879, fig. S.-b. No. 
23, p. 99 ; 112. 
Figures larva, pupa, and imago of Calandra oryzce and imago of C. granaria ; 
habits, ravages, and means against the same; description of egg and 
method of oviposition of C. oryzai ; use of carbon bisulphide against these 
insects; poisonous effects of eatiug the comminuted beetles. 
1684. Riley, C. Y. [Letter to W. G. Le Due.] <Boston Daily Herald, 
4 April, 1879. <Psyche Advertiser, 11 April, 1879, v. 2, p. 9. 
<Ent. 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. Y. 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 [c7iara- 
ems?], introduced from Australia; ravages of D. characias in southern 
Africa; prospective ravages in California; means against it. 
1687. Riley, C. Y. 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 he 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 Dionwa and 
Drosera are nourished by the insects digested by their leaves. 
1689. Riley, C. Y. The migrations and hibernation of Aletia argilla- 
ced. <Washington [D. C.] World, 10 May, 1S79. <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. 
