INDEX. 



A. 



Abbe, Cleveland, remarks on temperature of soil 

 and thermal constants, 425, 426. 

 statement by, 203, 204. 

 table by, 205-211. 

 Abdomen of the locust^ 257. 

 Accentor, orange-crowned, [22]. 

 Accipiter Cooperi [44]. 

 fuscus, [44 j. 

 Acid, formic, 28. 

 Actlturas bartramius. [54]. 

 Acrididae, 32, 33. 

 Acridii, 35. 

 Acridini, 35. 

 Acridium Americanum, 37, 237, 327, 448, 458, 463. 



egg -laying of, time of, 221. 

 egg-mass of, philosophy 



of, 226. 

 eggs of, namber of, 228. 

 figure of, 236. 

 hatching of, time of, 232. 

 time of maturity of, 237. 

 Acridium. characters of, 30. 



flavofasciatum. 463. 

 frontalis, 37. 

 italicum. 40. 

 peregrinum, 34, 37. 

 rubiginosum, 36, 37. 

 sanguinipes, 38. 

 spretis, 43, 44. 

 spretum, 44. 

 Adams's locust-pan, 335. 

 iEgialitis, semipalmata, 338. 

 Tocifeva, 338. 



meloda circumcincta, [50] . 

 semipalmata, [49]. 

 vocii'era. [49]. 

 .a^giothus linaria, [29] . 

 Affleck, statement by, 58, 59. 

 Africa, locusts of,. 37. 

 Agelfeus iihoeniceus, [33]. 

 Agonoderus dorsalis, 289. 



Agricultural bearing of the locust invasions, 123. 

 Agricultural Department, report to, 98. 



reports of, quoted, 58, 

 63, 90. 

 Agriculture, diversified, to lessen losses from lo- 

 custs, 406. 

 Agriotes mancus. 304. 

 obesus, 304. 

 truncatus, 304. 

 Aid of animals, [SiCj. 

 Ailanthus-trees eaten, 253. 

 Air-sacs of the locust, 267, 269. 

 Aix sponsa, [59]. 

 Allen, W., statement by, 161. 

 Amarantus (Pyxidium) blitoides not eaten by the 



locust, 254. 

 Amara obesa, 290-292. 

 Amblychila cylindritbrmis. 315, 316. 

 America. British, locust data of, [145]. 

 America, South, locusts of, 465. 

 American Entomologist, quoted, 70, 213. 

 American Xaturalist quoted, 274. 

 Amnion, 228, 278, 279. 

 Ampelis cedrorum. [26]. 

 garrulus, [26]. 

 Anacreon, statement by, 254. 

 Anabrus, [139]. 



purpurascens, 327. 

 Anas boschas, [58]. 

 obscura, [58]. 



Anatomy of the locust, 257, 277. 



Anderson's coal-oil contrivance, 386. 



Annales de la Society Entomologiqne de France, 



quoted, 294, 296. 

 Annales des Sciences Xaturelles, quoted, 295, 296. 

 Anorthura troglodytes hyemalis, [18]. 

 Anser hyperboreus, [57]. 

 Antennae of the locust, 260. 

 Anthidium, 302. 

 Anthomyia, 8. 



angustifrons, 285, 289. 

 brassicse, 288. 

 ceparum, 288. 

 egg-porasite, 285. 

 radicum, var. calopteni, 288. 

 raphani, 288. 

 Anthony, G. T., letter from, 7, 8. 



letter to, 8-10. 

 Anthophora abrupta, 296. 

 retusa, 295. 

 sponsa, 296, 

 Antrostnmus nuttalli, [38]. 



vociferus, [38]. 

 Anthus ludovicianus, [19]. 

 Ants, 305. 

 Apalus, 302. 



Apiomerus crassipes, 334. 

 Apocynum, eaten less, 254. 

 Appearance of swarms, time of, 217. 

 Apple-trees eaten, 252, 253, 292. 

 Apricot-trees eaten, 253. 

 Arbor-vitas trees eaten. 253. 

 Archibuteo ferruginens, [45.] 



lagopus sancti-johanuis, [45]. 

 Archives C.e Physiologie quoted, 277. 

 Archiv fiir Naturgeschichte quoted, 274. 

 Ardea herodias, [55]. 

 Aricia fuscipes, 2S8. 

 Aridity of northwest plains one cause of locusts, 



126, 127. 

 Aristida oligostachya, 434. 

 Arizona, invasions of, 105, 

 Arkansas, autumn locust flights in, [152]. 

 damage done in, 7. 

 flights in, summary of, 171. 

 invasions of, 56, 64. 

 migrations into, direction of, 151. 

 Army grasshopper, 52. 

 Arnett, A. H., statements by, 99, 101. 

 his use of coal oO, 382. 

 Amoux, James M., statements by, 94, 95, 108. 

 Avocet, [50]. 

 Arseniate of copper, 402. 

 Asclepias, little eaten by locusts, 254. 

 Ash-trees eaten by locusts, 253, 

 Asia, locusts of, 37. 

 Asilid larvae, 303, 304. 

 Asilus-fly, 317. 

 Asilus sericeus, 304. 

 Astur atricapillus, [44]. 



Atchison, Topeka and Santa ^6 Railroad, aid by, 25. 

 Audouin, statement of, 294. 



views of, ou triungulin, 296. 

 Aughey, S., engaged as assistant, 11. 



observations in Nebraska, 22. 

 observations of, on height of swarms, 



44, 146. 

 on the locust, data in Xebrask? , [117]. 

 report on food of birds in Xebraska, 



[13]. 

 report on locust-eating birds, 338. 

 report to the governor of Nebraska 

 by, 12-14, 



[281] 



