TABLE OF CONTENTS TO REPORT VIII. 41 



Page. 

 The Army "Worm Continued. 



lia, 34 Description of the egg, 34 Where the eggs are laid, 34 Con- 

 clusions drawn from structure, 30, 37 When the eggs are laid, 40 In 

 what state does the insect hibernate?, 43 Habits of the Worm, 45 

 Why it escapes detection when young, 45 Why it travels in armies, 

 46 Time of its appearance, 46 Are there one or two broods?, 47- 

 The Fall Army-worm, 48 How distinguished from the real Army 

 Worm, 48 Plants preferred by the Army Worm, 49 Its sudden ap- 

 pearance and disappearance, 50 It swarms during wet preceded by 

 very dry seasons, 51 Its natural enemies, illustrated, 52 Remedies, 

 54 Philosophy of winter burning, 54, 55 Prevention, 55 Summary 

 of the leading facts concerning it, 56. 



The Rocky Mountain Locust 57 



Previous experience in spring 1867, 57 Predictions verified, 58 Gene- 

 ral outlook in spring of 1875, 60 Extent of country ravaged, 60 The 

 outlook in Missouri, 61 Country ravaged often as bare as in midwin- 

 ter, 61 Account by counties, 62 Atchisou County, 62 Andrew 

 County, 62 Beutou County, 63 Barton County, 63 Bates County, 

 63 Buchanan County, 64 Caldwell County, 64 Cass County, 64- 

 Clay County, 67 Clinton County, 68 Dade County, 68 DeKalb 

 County, 69 Gentry County, 69 Hickory County, 69 Holt County, 

 69 Henry County, 69 Jackson County, 69 Johnson County, 72 

 Lafayette County, 73 Nodaway County, 73 Newton County, 73 

 Pettis County, 73 Platte County, 73 Ray County, 74 Saint Clair 

 County, 75 Vernon County, 76 Condition of things in other States, 

 76 Kansas, 76 Nebraska, 79 Iowa, 81 Minnesota, 81 Colorado, 

 84 Dakota, 85 Montana, 87 Wyoming, 88 Texas, 88 Indian Ter- 

 ritory, 88 Manitoba, 89 Damage done in Missouri, 89 Destitution 

 in Missouri, 91 Address of Relief Committee from Saint Louis Mer- 

 chants' Exchange, 93 Cases of starvation, 94 The Governor's procla- 

 mation, 95 The locusts not a divine visitation, 97 Natural history; 

 Mode of molting illustrated, 98 Habits of the unfledged young, 100 - 

 Directions in which the young travel, 101 Rate at which they travel, 

 102 They reached but a few miles east of where they hatched, 102 

 Not led by " Kings" or " Queens," 103 The species taken for such, il- 

 lustrated, 103, 104 The exodus in 1875, 104 Time of leaving of the 

 winged insects, 104 Direction taken by the winged insects, 105 Des- 

 tination of the departing swarms, 106 Native home of the species, 

 109 Views previously expressed confirmed, 110 Conditions of mi- 

 gration, 112 Conditions which prevent the permanent settlement of 

 the species in Missouri, 113 Modification of the species by climatic 

 conditions, 114, 155 Definition of the species, 114 How distinguished 

 in all stages from species most nearly allied, 117 Experience in spring 

 of 1875, 118 Contrast in summer and fall, 119 No evil without some 

 compensating good, 120 Injury to fruit and fruit trees, 121 Food 

 plants, 121 Only one kind of plant not touched under all circum- 

 stances, 121 Changes that followed the locusts, 121 The widespread 

 appearance of a new grass, ordinarily unnoticed, 122 Appearance of 

 large Worms, 123 The Locusts did not return in the fall, 124 Natural 

 enemies, 124 Remedies against the unfledged insects, 125 Artificial 

 means of destroying the eggs, 125 Various means of destroying the un- 

 fledged young, 126 They are within man's control, 126, The proper 

 ditch to make, 128 Machines used in Colorado, 129 Best means of 

 protecting fruit trees, 130 How to avert locust injuries, 131 Pre- 



