ri42] 



INDEX. 



Pyrethum — 



applied in water solution, 177. 

 as a disinfectant, [113]. 



remedy for A. xylina, 38. 



Heliothis armigera, 381. 

 cineraricefolium, 1G4, 165, 166, 180. 

 ciUtivation of, at TVasbington, 166. 

 in California, 166. 



the United States, 166. 

 distribution of seed of, 180. 

 eflFect of, upon various insects, 179. 

 Aletia, 169. 

 man, [113], 

 quadrupeds, [113]. 

 experiments witli, [U], [21]-[23]. 

 extent of production of, in California, [113]. 

 - history of, 164. 



mode of cultivation of, 165. 

 powder, amount required for the worms, 174. 

 experiments with, [31]. 

 minimum quantities of, 171, 172. 

 mixed with flour, 172. 

 price of, 174. 

 preparation of the plants for use, 167. 

 price of, [113]. 

 roseum, 164, 165, 166, 180. 



synonymy of, [113]. , 



tea or decoction of, 178. 



toillemoti, probable synonym of P. roseum, [113] . 

 Pyrrharctia isahella, brush-sacs of moth of, [105]. 

 quadrilineatus, Xysticus, vs. Aletia, [106]. 

 quadripunctata, Theridulu, vs. Aletia, [106]. 

 Quail, vernacular name of Ortyx virginianus, 376. 



vs. Aletia, 88. 

 Quantity of poisons required, [115]. 

 Quartzites, 79, 80. 

 Quartzose soils, 66. 

 Quassia, decoctions of, remedy for A. xylina, 36. 



tea, 187. 

 Querent catesbcei, 67. 

 cinerea, 67. 

 muhlenbergii, 66. 

 nigra, 66. 

 prinus, 66. 

 stellata, 66. 

 tinctoria, 66. 

 " E. " , literature by, 339. 

 Raccoon vs. Aletia^ 87. 

 Rag Weed, 184. 



vernacular name of Ambrosia, [20]. 

 Rain, connection of, with, ravages of A. xylina, 

 29, 30. 

 Crow vn. Aletia, 88. 

 Rainfall of Cotton States, 59-61. 

 Rains, destruction of ants by, 85. 



influence of. on A. xylina, 43, 83-85. 

 Ramsden's pump, 281. 

 Ramsey's horseback sprinkler, 301. 

 Eaphigaster hilaris vs. Aletia, 97. 

 Rapidity of working of spraying machinery, [115] . 

 rapidus\ Calocuris. (Sec Calocoris rapidus.) 

 Ravages of A.a;i/Kna. in Cuba, 42. 

 Raymond's jawed-slot nozzle, 203. 

 Read (J. E.), Uterature by, 339. 

 Reciprocating blowers, pistoned, 249-251. 



compression squirters, pneumatic, 



258-261. 

 pumps, 262-283. 



squirters, solid pressure,^262-283. 

 Red bug (see Dysdercus suturellus). 

 cedar, 75, 76. 

 clay, 69, 71, 75. 

 lead as an insecticide, 154. 

 lime lands, 65, 69, 71. 

 loam lands, 69, 70. 71, 72, 76, 77, 78, 79, 80. 



region, 65, 69, 75-77. 

 oak, 68, 72, 76, 77, 78, 79. 

 pepper, vernacular name of Capsicum an- 



nuum, 362. 

 sandstones, 75. 

 shales, 75. 



spider, injury to cotton by, [5]. 

 Reduction cylindrical pumps, 281-282. 

 Redwing Blackbird vs. Aletia, 88. 

 Reed (E. B.), literature by, 333. 

 Reese (W. P.), literature by, 339. 

 regalis, Citheronia, lacva parasited by Belvoisia 

 bifaaciata, [110]. 



Regions of forest growth, 66-67. 

 Remedies, chapter on, 128. 

 for A. xylina, 41. 



history of, 34r-38. 

 inqiiiries for, [119]. 

 Stelle (J. P.), on, [119]- 

 [120]. 

 Repipta taurus vs. Aletia, 97. 

 Reseda tuteola, food-plant of Heliothis armigera, 



363. 

 Resedacecu, food-plants of Heliothis armigera, 363. 

 Reverberatory nozzles, 247. 

 rhexice, Chlondea. (See Chloridea rhexice.) 

 ribesia, TJrena, eggs found on, [103]. 

 Rice bird vs. Aletia, 88. 

 Ridgway (R.), list of birds of Southern States by, 



reference to, [166]. 

 Rigel's light trap, 315. 



Riley (C. Y.), description of Tachina aletice by, 

 [109]. 

 extracts from addresses by, [1051, 



[113]. (119]-[120]. 

 literature by, 325, 326, 328, 329, 331, 



337-343, 384, [101]-[104], [109]. 

 on effect of pyretlirum on man, 

 [113]. 

 Heliothis armigera eating Phy- 

 salis, 362. 

 eating Pisum sativum, 362. 

 identity of BoU Worm and Corn 



Worm, 359. 

 parasitism of Heliothis armigera 



by Tachina anonyma, 377. 

 remedies for A. xylina, 36, 37. 



Heliothis armigera, 

 378. 

 use of Paris green for Aletia, 

 [119]-[120]. 

 paper read before National Acad- 

 emy of Science, 16. 

 quoted, 352, 360, 

 rimosalis, Pionea. (See Pionea rimosalis.) 

 Rise and fall in abundance of injuiious insects, 26. 

 Rivei--swamp formation, 65. 

 Roaches, effect of pyrethrum on, [15]. 

 Road dust as a diluent of pyrethrum powder, 173. 

 an insecticide, 154. 

 effect of, on Aletia xylina, [28], 

 substitute for diluents, 140, 

 Roane (James), acknowledgments to, xs, xxxi. 



on expei'ience with London purple 



in Alabama. 150. 

 preparing vegetable extracts, 183. 

 Roberts (J.), quoted, [6]. 

 Roberts (T. J.), observations by, [7]. 

 Robertson (W. H.), quoted, 16]. 

 Rebinia, food-plant of Platyhypena scahra, [104]. 

 Robinson's silting machine, 305. 



sprinkling machine, 299. 

 Rocky Mountain Locust. (See Caloptenus spretus.) 

 Root-rot, synonym of cotton blight, [25]. _ 

 ■ rosaceana, Caccecia, parasited by (Jhalcis ovata, 



[111]. 

 Rose Mallow, vernacular name of Hibiscus grand- 

 iflora, 363. 

 nozzle combinations, 196. 

 Barry's, 196. 

 Prentice's, 196, 

 nozzles, 191-196. 

 divided, 195. 



Barrow's, 195, 

 clutch-headed, 195. 

 Foss', 195. 

 Fox's, 195. 

 peripheral, divided, 196. 

 Melcher's, 196. 

 Ruhmann's, 196. 

 Teager's, 196. 

 T-shaped, 194. 



improvements in, 194. 

 Warner's, 194, 

 Teager's, 194. 

 roseum, Pyrethrum. (See Pyrethrum roseum.) 

 Rotary blowers, force blast, 235, 257, 

 of fluids, 232-235. 



Darnell's, 233-234. 

 new style, 232-233. 

 Perl's fumigating, 234. 



