[288] 



INDEX. 



LooQSts in Central Ameiica, 460. 

 Europe, 467. 

 Mexico, 460. 

 Nicaragua, 463. 

 Oregon, 460. 

 South America, 465. 

 ravages of different, in United States, 443. 

 seventeen-year, 31. 

 uses of, 437. 

 Long's locust-catcher, 386. 

 Longspur, black -bellied, [30]. 

 Loomis, Elias, statement by, 186. 

 Lophophanes, bicolor, [16]. 



inornatns, [16]. 

 Losses, in Minnesota, [11] . 



statistics of, 114-122. 

 Lower Snake Valley, migrations in, direction of, 



158-159. 

 Lucern eaten, 292. 

 Ludius attenuatus, 304. 

 Ludlow, W., statement by, 89. 

 Lum, J. K., statement by, 96. 

 Lycosa, 327. 



Macadow, P. W., statement by, 92, 93. 

 MacCown's bunting, [30]. 

 Macgillivray's warbler, [23]. 

 Macrobasis ■ 293, 301, 302. 

 murina, 298. 

 nnicolor, 292, 294, 298. 

 Magpie, American, [36]. 

 Malade Valley breeding-grounds, 25. 

 Mallard, [58]. 

 Mandible, 260. 

 Manitoba, invasions of, 54-56. 



limits of migrations in, 138, 139. 

 migrations into, direction of, 152-153. 

 observations in, 22, 26. 

 Mantidae, 32. 

 Mantis, Carolina, 334. 

 Maple-trees eaten, 253. 

 Marsh, Henry, [56] . 

 Martin, purple, [26] . 

 Maruta eaten, 253-254. 



by young locusts, 233. 

 Massey, "W. A., statement by, 61. 

 Massie, "W. R., statement by, 91. 

 Maturity, time of, 237, 238. 

 McAllister, H., statement by, 214. 

 McCammon, J. D., statement by, 92. 

 McChesney, C. E., statement by, 91. 

 . McDowell, S. J. P., statement by, 57. 

 N. v., statement by, 218. 

 McLockhead, statement by, 286. 

 Maxilla, 260. 



Maxillary, palpus, 260, 261. 

 May-weed. (See Maruta.) 

 Meade, E. H., aid by, 288. 

 Means of preventing ravages, 128, 129. 



invasions, 126-128. 

 Measurements of Caloptenus femur-rubrum, table 

 of, 51. 

 Caloptenus spretus, table of, 47-49. 

 Mecistocephalus, 305. 



Medina, Manuel, on locusts in Yucatan, 463. 

 Melanerpes erythrocephalus, [41]. 

 Melanoplus, 37. 

 Melanotus communis, 304. 

 Melcher's locust-crusher, 371. 

 Meleagris gallopavo americana, [46]. 

 Meloe, 294-295, 301. 



augusticollis, 295. 

 barbarus, 295. 

 cicatricosus, 295. 

 proscarabaeus, 295. 

 sp., figure of, 295. 



larva of, description of, 295. 

 violaceus, 295. 

 . Meloidae, 993. 



larvae of, 292. 

 Melospiza lincolni, [30]. 

 melodia, [31]. 

 M6moires de rAcad6mie des Sciences, etc., de 



Belgique quoted, 275. 

 M6moires de la Soci6t6 Royale des Sciences de 

 Liege quoted, 295. 



Mermis, albicans, 327, 333, 334. 



acuminata, 327, 332, 333, 334. 

 Mesothorax of locust, 259. 

 Metathorax of locust, 259. 

 Metcalf, T. M., statement by, 87. 

 Meteorology, connection of, with migrations, 185J- 



211. 

 Meteorological data, 183-201, 205-209, 2J1. 



phenomena, periodicity of, 186. 

 Mexico, limits of migrations in, 141. 



locusts in, 460. 

 Mice, destructive to locusts, 337. 

 MiddJeton, Miss., observations by, 48. 

 Migrations, p. 143-211. 



at night, 218-219. 



causes of, 248-251. 



conditions favoring, 143. 



connection of meteorology with, 182- 



211. 

 direction of, 25, 26, 27, 217. 

 directions of, 148-182. 

 direction of, changes in, 145-146. 

 direction of, different, at the same time, 



176, 177. 

 height of, 219. 



influence of wind or weatlier on, 145, 

 law governing, 175, 181-182. 

 limits of, 137-142. 

 local, 165-170. 

 rate of, 143, 215-217. 

 returning, extent of, 177-181. 

 time of, 217. 

 Migratory habits of locusts, 126. 



locust of Europe, etc., 468. 

 distribution of, 472. 

 movements, direction of, 126. 

 Milk- weed. (»See Asclepias.) 

 Miller, K. A., statement by, 94. 

 Mills, aid by, 22. 

 Mimus carolinensis, [15]. 

 polyglottus, [15]. 

 Minnesota, autumn locust flights in, [150]. 

 earliest flight in, 170-173. 

 flights in, summary of, 173-175. 

 invasions of, 54-57, 80-89. 

 limits of migrations in, 138. 

 local flights in, direction of, 165-167, 



169, 176, 177. 

 lossesin, 116, 118-122. 

 locust in, [3]. 

 locust laws of, 412. 

 migrations from, direction of, 161. 

 migrations into, direction of, 148, 150, 



152, 159, 161. 

 migrations in, direction of, 178, 179, 180. 

 miscellaneous notes from, [230]. 

 observations in, 10-11, 22, 25. 

 Minot, C. S., histological report, 273-277, 



work by, quoted, 277. 

 Miscellaneous data, [240]. 

 Mississippi Valley, saving of, 128. 

 Missouri, autumn"^ locust flights in, [151]. 

 damage done in, 7. 

 flights in, summary of, 170-171. 

 invasions of, 54-56, 64-68. 

 limits of migrations in, 138-139. 

 locust data for 1877, [83]. 

 locust laws of, 409. 

 losses in, 117-122. 



migrations from, direction of, 159, 161. 

 migrations into, direction of, 148, 149-150, 



151. 

 observations in, 7. 

 Mite, locust, 306, 309. 

 Mites, occurrence of, on locusts, 248. 

 Mniotilta varia, [19] . 

 Mocking-bird, [15]. 



sandy, [15]. 

 Moffatt, Dr., statement by, 96. 

 Molothrus ater, [33] . 

 Molting of young, 9. 



process of, 280-283. 

 Molts, number of, 280. 

 Montana, invasions of, 54-57, 102-196. 

 locust in, [136]. 



migrations in, direction of, 153-156, 161. 

 observations in, 16-17. 

 reports from, [248]. 



1 



