BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 223 



1643. BILEY, C. V. Continued. 



477+ 295, 111 figs., 5 pis., 2 maps. See : <Sci. Amer., 5 July, 

 1879 [v. 55], n. s., v. 41, p. 8. S. b. No. 23, p. 121. 



TABLE OF CONTENTS. 



LETTER OF TRANSMITTAL xi 



LETTER OF SUBMITTAL xin 



PREFACE ; xv 



INTRODUCTION: By C. V. Riley. 

 Introductory remarks 1 



Creation and organization of the Commission, 1 Division of labor, 

 1 Circulars sent out, 2-6 Area over which eggs were laid in 

 1876, 6 Outlook in spring in more southern States, 7 Letter to 

 Governor Anthony, of Kansas, on the condition of things in May, 

 8-10 State of things in Minnesota in spring, 11 Outlook in Ne- 

 braska in June, 13 Second meeting of the Commission, 14 

 Outlook in Iowa in June, 15 Visit to Colorado, Utah, and Mon- 

 tana in June, 17 Visit to Colorado in July, 17-20 Third meet- 

 ing of the Commission, 21 Trip to the Pacific coast, 21 Trip to 

 British America, 22 List of chapters, 23 Character and synop- 

 sis of chapters, 24-29 Prospects for 1877, 29. 

 CHAPTER I : By C. Thomas. 



Classification and nomenclature; characters of the species 13 



Families of the Orthoptera, 32 Locust vs. grasshopper, 33 Ge- 

 neric nomenclature, 37 Generic diagnosis, 40 Species of the 

 genus Caloptenus, 42 Full definition of Caloptenus spretus and 

 of its nearest congeners, 43-52. 

 CHAPTER II : By C. Thomas. 



Chronological history of locust injuries 53 



Compared with locust ravages in the Eastern Hemisphere, 53 In- 

 jury in the Northwest early in the present century, 54 Brief 

 reviews from 1820 to 1877, 54-56 Locust history in Texas, 57-62 ; 

 in Indian Territory, 63; in Arkansas, 64 ; in Missouri, 64-68 ; in 

 Kansas, 68-74; in Nebraska, 74-77; in Iowa, 77-80; in Minne- 

 sota, 80-87 ; in Dakota, 88-92 ; in Montana, 92-96 ; in Idaho. 96 ; 

 in Wyoming, 97 ; in Colorado, 99-102 ; in Utah, 102-104 ; in New 

 Mexico and Arizona, 105 ; in Nevada, 105 ; in Oregon and Wash- 

 ington Territory, 106; in British North America, 108-112 Tabu- 

 lar view of locust years, 113. 

 CHAPTER III : By C. Thomas. 



Statistics of losses 114 



Difficulty of obtaining reliable data, 114 Estimates in Kansas, 

 115; in Minnesota, 116; in Missouri, 117 Loss in Kansas, Ne- 

 braska, Iowa, and Missouri in 1874, 118 Loss to different crops, 

 120 Loss to Missouri in 1875, 121 Total loss during the years 

 1874-77, 200,000,000, 122. 

 CHAPTER IV : By C. Thomas. 



Agricultural bearing of the locust problem. 123 



Drawback to the settling of the West, 124 What is likely to be 

 the effect in the future, 125 Modification and settlement of the 

 Western plains, 129 Crops which suffer most, and those which 

 suffer least, 130 Small grains not affected by invading swarms, 

 128 Need of judgment in planting, 129. 



