BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 269 



1956. [RILEY, C. V.] Plant-feeding habits of predaceous beetles. 



<Amer. Nat., April [25 March], 1881, v. 15, pp. 325-527. 



Citation of evidence from numerous sources proving that certain Carabidce 

 and Coccinellldce occasionally feed on plants, seeds, and spores. 



1957. RILEY, 0. 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. <Amer. 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 and items of news. 



1959. [EiLEY, C. V.] Second report of the United States Entomological 



Commission for the years 1878 and 1879, relating to the Kocky 

 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+322+80, 10 figs., 17 pi., 9 maps. 



TABLE OF CONTENTS. 



LETTER OF TRANSMITTAL IX 



PREFACE XIII 



CHAPTER I : By A. S. Packard and 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, 15-16 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 constructiug 

 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 definitiou of the temporary region, 27-28 The 

 locust problem a national one, 29-31. 



