INDEX. 



[147] 



Vogelsang's barrel pump, 273. 



nozzles, 275. 

 Vose'a hydropult, 271. 

 TVagons in poisoning, 265-268. 

 WaQes (B. C. L.), cited, 34. 35. 



hteiature by, 824, 343. 

 "Waldo (J. C), literature by, 343. 

 Wallace's blast sprayer, 24*9. 

 Walnut, 75. 



Walsh (B. D.). literature by, 325, 343, 344, 384, [111]. 

 Washington World, literature in, 339. 

 Wasps, effect of pyrethmm on, [15]. 



influence of wet weather on, [105]. 

 vs. Aletia, 89, 94. 

 Water oak, C8, 71, 73. 

 Watering-pot pumps, 273. 



pots, 300, 302. 

 Wax, in baits, 320. 

 Weather, influence of, on A. xylina, 83-86. 



Heliothis armigtra, [19]. 

 ravages of A. xylina, 25, 

 28, 27, 29, 30, 34-35, 44. 

 Weber's colliding-jet nozzle, 194. 

 Weed (C. M.), on brush-sacs of moths, [105]. 

 Weindel's air purap, 258. 

 Weir (J. J.), literature by, 382. 



on food-habitfl oiMdiofhis armigtra, 

 362. 

 Weith's pump, 278. 

 Well pumps m poisoning, 278-279. 

 Wells ( — ), literature by, 344. 

 West Indies, decrease of cotton culture in, 2L 

 Westwood (J. O.), literature by, [110]. 

 Wet application of arsenical poisons, 142. 

 effect of, on blossoms, [1121. 

 weather, influenceof, orx A.xylma, 8^-85, [105]. 

 enemies of A. xylirui, 



Wetherby (A. G.), literature by, 3U. 

 Wharton (J. O.), mentioned, 36. 



on remedies for Aletia, [119]. 

 Wheel bug, vernacular name of Prionotiu crisUUiU, 

 376. 

 vs. Heliothis armigera, [19]. 

 Whisps in poisoning, 226. 

 Whistle-jet nozzles, 215, 216, 245. 

 White-bordered Euphorbia, 186. 

 cedar, 67. . 

 oak, 66, 71, 76-79. 



rags, remedy for A. xylina, 35, 135. 

 Whitman's fountain pump, 263. 

 Wild cherry, 76. 



turkey vs. Aletia. 88. 

 Willemot (C.). literature by, [113]. 

 willemoti, Pyrethrum, probably synonym oi P. 



roseum, [113]. 

 Willet (J.E.), acknowledgments to, xx, xxxl. 

 cited, 17, 44. 

 literature by, 344. 

 on cannibalism of Sdiothit armi- 

 gera, 368. 

 food-habits of A. SBylina, [100]. 

 Hdiothis armx- 

 gera, 362. 



Williams (W. II.), literature by, 344. 

 Williams' jawed-slot nozzle, 203. 

 Willie's horseback sprinkler, 300. 



sifting machine, 307. 

 Willow oak, 06, 71, 73. 

 Wilter (D.), on Ueliothis armigera eating gen^ 



nium, 363. 

 Windmill pumps in poisoniug, 279. 

 WinlVee, (P.), literature by, 323, 344. 



on laiva of A . xylina eating *' ealT©- 

 bush," [100]. 

 Winds, direction of, in Manzanillo, 40. 

 ^Martinique, 42. 

 Mazatlan, 39. 

 Merida, 41. 

 Venezuela, 43. 

 Vera Cruz, 41. 

 influence of, on A. xylina, 85-86. 

 of Cotton States, 59. 

 Winter occurrence of moth of A. xylina, 2L 

 Wisconsin, occurrence of .4.. xylina in, [102]. 

 Wisewell's brushing poisoner, 225-226. 

 Wisner's can-cylindered syringe, 274. 

 Witting (G.), literature by, 344. 

 Wolfram's nozzles, 287. 



spraying machine, 286. 

 Wood ashes as diluent of arsenical polsona, 140. 



substitute for flour, 140, 178. 

 Wood-Smith insect sweeper, 313. 

 Woodason's bellows, 242. 

 Worms, mechanical means of MlUiig, 185. 

 Worswick Co.'s compression devices, 258. 

 Xanthium strumarium,, 184. 

 xylina, Aletia. (^qq Aletia xylina.) 



Anomis. (See Anomis xylina.) 

 Noctua. (See Noetua xylina.) 

 Ophiusa (?), synonym ot Aletia xylin»,t. 

 Xystieus quadrilineatus vs. Aletia, 89, [106]. 

 Yeager's oarrel pump, 277. 



peripheral divided rose, 196. 

 Yeast, experiments with, [16]. 



ferment, as an insecticide, 188. 



experiments with, [20], [21], [31]. 

 fongus, experiments on, spoiled oy para- 

 sites, 87. 

 Yellow fever, prevalence of; 3L 

 loam lands, 70, 76, 77, 78. 



region, 72. 

 oat, 76. 

 pine, 78, 79. 

 Youmans (E. L.), literature by, 344. 

 Young's sifting machine, 307. 

 Zanthoxylum carolinianum, 185. 

 Zayas Enriqnes (R. de), letter from, 41. 



literature by, 842, S4S. 

 tea, Phalcena. (See Phalcena zea.) 

 Zdus hilobus vs. Aletia, 97. 

 " Zenos," literature by, 344. 

 zigzag, Hexaplasta, description of imago oi; [111]- 



Zimmerman (J. H.), literature by, 844, 384. 



on identity of Boll Wnm 

 and Com Worm, 359. 



