BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 269 
1956. [Riley, C. V.] Plant-feeding habits of predaceous beetles. 
<Amer. Nat., April [25 March], 1881, v. 15, pp. 325-327. 
Citation of evidence from numerous sources proving that certain Carabidce 
and Coccinellida: occasionally feed on plants, seeds, aud spores. 
1957. Riley, C. V. Notes on Papilio philenor . <Amer. Nat., April, 
[25 March], 1881, v. 15, pp. 327-329, figs. 1-3. 
Description of egg and newly-hatched larva of Papilio philenor ; figure of 
larva, chrysalids, and imago of the same; food-plants, distribution, and 
its occurrence in swarms. 
1958. [Riley, C. V.] Entomological notes. <Ainer. Nat., April [25 
March], 1881, v. 15, pp. 330-331. . 
Notice of H. A. Hagen’s paper on Simulium pictipes, with additional notes; 
abstracts and minor notices of other papers aud items of news. 
1959. [Riley, C. V.] Second report of the United States Entomological 
Commission for the years 1878 aud 1879, relating to the Rocky 
Mountain locust and the Western cricket, and treating of the 
best means of subduing the locust in its permanent breeding 
grounds, with a view of preventing its migrations into the 
more fertile portions of the trans-Mississippi country in pur¬ 
suance of appropriations made by Congress for this purpose, 
with maps and illustrations. <Washington: 1880 [4 April, 
1881], pp. 18-f322-|-80, 10 figs., 17 pi., 9 maps. 
TABLE OF CONTENTS. 
Letter of transmittal..*. IX 
Preface . XIII 
Chapter I : By A. S. Packard aud C. V. Riley. 
Additions to the chronology of locust ravages. 1 
The locust in 1878 in Minnesota and Iowa, 1; in Nebraska, Texas, 
and Indian Territory, 2; in Kansas, 2-3; in Dakota, 3-4; in 
Colorado, 4; in Wyoming, 4-5; in Utah and Idaho, 5-7; in 
eastern Oregon and Nevada, 7; in Montana, 7-9—Summary, 9— 
The locust in 1879 in Nebraska, Washington Territory, Dakota, 
and Texas, 10; in Colorado, 10-11; in Wyoming, 11-12; in 
Utah, 12-13; in Montana, 13-14. 
Chapter II: By C. Thomas. 
The relation of the locust and its ravages to agriculture and the 
settlement of the Territories. 14 
Character of the permanent region, 15—Importance of subduing 
the locusts in the permanent region, 15-10—Difficulties of burn¬ 
ing over, 16-18—Extermination impossible, but subjection pos¬ 
sible, 19-20—Settlement of the permanent region the best rem¬ 
edy, 19-20—Source of the more destructive swarms, 20—Rail¬ 
road needed in the permanent region, 21—Agricultural,' not 
pastoral, population wanted, 22—Difficulties of constructing 
railroads in the permanent region, 22—Climatic character of the 
permanent region, 23—Disturbing and fighting the locusts in the 
permanent region, 24-25—Other proposed plans, 25—Plowing 
not feasible, 25-26—The locust question solved in the temporary 
region, 26—New definition of the temporary region, 27-28—The 
locust problem a national one, 29-31. 
