Ivdex. 



235 



Kings or Queens, locusts not led 



by 101 



L 



Lachno8terna ftisca 126 



Lapland Longspur 113 



Larva? of Morning Sphinx 110, 111 



Larva of Anthomyia, description of 120 

 Larva? of Tachina-flies and flesh- 

 flies compared -- 136 



Larva of spre!ns, full description of 20 



Late planting desirable 170 



Legislation on locusts _ 176 



Lex>tus irritans 130 



Limit of locust migrations 60 



Locust Mite..... 12S 



Locust plague no new thing 29 



Locust ravages east of Mississippi, 190 

 " " how to prevent ... 139 



Locust vs. Grasshopper- 207 



Locusts, alarm caused by harmless 



species of 227 



Locusts as food for man 217 



Locusts, flights of, east of the Mis- 

 sissippi.. 201 



Locusts, flights of, in Illinois in 



1875 195 



Locusts, flights of, in Iliinois in 



1875, composed mainly of Atlanis 198 

 Locusts in America, earliest record 



of 31 



Locusts in South America 32 



Locusts not a divine visitation 216 



Locusts on Pacific coast, early 



records of.. 32 



Ml 



Mantis Carolina, feeds on locusts, 128 

 Measurements of femur-rub rum.. 17 

 Measurements of locusts, how 



taken 16 



Measurements of spretus 21 



Melanerpes erythrocephalus 114 



Melanoplus or Caloptenus... 209 



Mermis 114 



Migrations of locusts, cause of ..57, 200 

 " " influence of 



wind in determining 57, 104, 216 



Migratory instinct of locusts 88 



Migratory locust of Europe, de- 



structiveness of 30 



Migratory locusts in Atlantic 



States 187 



Military, employment of, against 



locusts 173 



Mimus Carolinensis. 114 



Minnesota locust-law 180 



Missouri locust-law 177 



Modification of species 63 



Molting process 79 



Molts, number of, in sj>retus 82 



Morning Sphinx 112 



Myiarchus crinitus 114 



N 



Native home of spretus 61 



Natural enemies of sjyretus 113 



Natural history of sj>retus 69 



Nebraska locust-law 185 



Ninety - fourth meridian, eastern 



limit of spretus 65 



Nomenclature 207 



Non - migratory locusts, injury 



from 190 



Non-migratory locusts, unusually 



numerous some years 199 



Number of eggs deposited by spre- 

 tus 70 



O 



(Edipoda atrox 89 



41 migratoria .. 31 



" pho&nicoptera 102 



Omaha Conference i 53 



Omnivorous propensities of locusts 91 



Origin of migratory locusts 57 



Oviposition of locusts 69 



P 



Panicum sanguinale 110 



Parasite of house-fly 130 



Paris Green, use of, for destroying 



locusts 164, 170 



Pas'unachus elongatus.. 127 



Pennsylvania ground-beetle 127 



Perpetuation and permanent settle- 

 ment of spretus east of 94th 



meridian impossible 62 



Plants uninjured by locusts 44, 170 



Plectrophanes lapponicus 113 



Ploughing the eggs under 153 



Poultry destroy locusts 171 



Power of locusts for injury 85 



Practical considerations 139 



Prairie fires useful in spring 169 



Prairie fires vs. locust ravages 209 



Predictions as to probable injuries 

 from locusts in 1875 41 



