218 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1620. Riley, C. V. [Ravages of Termes flampes.\ <Trans. Acad. Sci. 
St. Louis, December, 1877, v. 3, p. 269 Proc. 
Note to communication of R. D. Grant on some ravages of Termes flavipes. 
1621. Riley, C. Y. On the oviposition of MaperdabivittataS&y. <Trans. 
Acad. Sci. St. Louis, December, 1877, v. 3, pp. 269-270 Proc. 
See: <Colman’s Rural World, 28 November, 1877. S.-b. No.20, 
p. 6. 
Description of egg and manner of oviposition of Saperda biviitata [ = Candida"]. 
1622. Riley, 0. V. Ou migratory butterflies. <Trans. Acad. Sci. St. 
Louis, December, 1877, v. 3, pp. 273-274 Proc. See: <Valley 
Naturalist, January, 1878, v. 1, p. 2. 
Phenomena and causes of the migrations of butterflies, especially of Danaia 
archippus. 
1623. Riley, 0. V. [Phylloxera and grape-rot.] <Trans. Acad. Sci. 
St. Louis, December, 1877, v. 3, p. 275 Proc. See: <Colman’s 
Rural World, 28 November, 1877. S.-b. No. 14, p. 268. 
Disagreement with views of A. J. Cook as to there being any connection be¬ 
tween the work of Phylloxera vastatrix and the ordinary grape-rot. 
1624. Riley, C. V. The periodical Cicada. <Western Farmer’s Al¬ 
manac for 1878, 1877, p. 48. S.-b. No. 14, p. 138. Reprint: 
<Colman’s Rural World, 28 November, 1877. S.-b. No. 14, pp. 
265-266. 
Regular periodicity of the appearance of Cicada [= Tihicen ] septendecim and 
C. [=T.] tredecim ; popular description and natural history of the same; 
chronology of twenty-two different broods, geographically classified. 
1625. Riley, C. Y. The locust plague in the United States: being 
more particularly a treatise on the Rocky Mountain locust, or 
so-called grasshopper, as it occurs east of the Rocky Mount¬ 
ains, with practical recommendations for its destruction. <Chi- 
cago : Rand, McNally & Co., 1877, 236 pp., 3 pi., 42 figs. Ex¬ 
tract: <Manitoba Standard, 1877. S.-b. No. 14, pp. 97-98. No¬ 
tice: <Cultivator and Country Gentl., 30 August, 1877, v. 42, 
p. 557. <Gardener’s Mo. and Hortic., October, 1877, v. 19, p. 
317. <Ent. Mo. Mag., October, 1877, v. 14, p. 118. 
TABLE OF CONTENTS. 
Preface. 7 
Introduction. 9 
Chapter I: 
Characters of the species.•.... 13 
Classificatory position of the Rocky Mountain locust, 13—How it . 
differs from other species, 14—Easily confounded with the com¬ 
mon red-legged locust, 14—Detailed descriptions of both, 15— 
Its still closer resemblance to the Atlantic migratory locust, 22— 
Characters of this last, 22—Species vs. variety and race, 23—Com¬ 
parisons of these three closely-allied species in their early stages, 
26— A green variety of the Rocky Mountain locust not infrequent, 
27— Purely an American insect, 28. 
