INDEX. 



M3 



510 ; in stored cereals in U.S.A., 

 205, 322, 387, 478, 483 ; control 

 ui', iu stored maize in New Soutli 

 Wales, 366 ; ettect of atmospheric 

 humidity on, 205, 



Skaki Gourd, Dacus cauclatus on, 

 in India, 4. 



Skunks, destroying insects in 

 U.S.A., 72, 369. 



Sloe {Primus divaricata), pests of, 

 in Russia and Turkestan, 302, 

 303, 564. 



Slugs, destruction of, in mush- 

 rooms in U.S.A., 424. 



smaragdina, Oecophi/Ua. 



Smartweed, food-plant of Aphis 

 maidiradicis in Minnesota, 462. 



Smelter Gases, not injurious to 

 insects, 568. 



Smerinthus ocellatus (see S2Jhinx). 



Smiera, parasite of Bueculatrix 

 thurberiella in Arizona, 316. 



Smilax, BntcJms chinensis on, in 

 U.S.A., 538. 



smithi, Phytalus. 



Smoke-tree, little injured by Aspi- 

 diotus pemiciosus in Illinois, 62. 



Smynthurus hortensis, control of, 

 on cucumbers in U.S.A., 529. 



Smynthurus luteus, on mushrooms 

 in Britain, 516, 



Snake-trourd, pests of, in Ceylon, 

 236. 



Snap-dragon (see Antirrhinum). 



Snow, effect of, on insect pests in 

 Russia, 455. 



Snowball, Aphis viburnicola on, in 

 U.S.A., 228. 



Snowball Aphis (see Aphis viburni- 

 cola). 



Snow berry, Aspidiotus pemiciosus 

 on, in Illinois, 62. 



Soap, in sprays, 39, 65, 76, 80, 81, 

 91, 104, 107, 108, 110, 113, 125, 

 132, 141, 145, 149, 191, 194, 222, 

 233, 237, 245, 252, 255, 259, 264, 

 290, 308, 311, 312, 321, 334, 337, 

 342, 350, 356, 357, 362, 370, 372, 

 374, 377, 382, 389, 390, 395, 416, 

 421, 434, 450, 452, 507, 528, 529, 

 530, 551, 552, 555, 560, 570 ; and 

 nicotine, 191, 264, 290, 311, 312, 

 321, 334, 351, 382, 450, 507, 528, 

 529, 530, 551, 555 ; formulae 

 containing, 104, 138, 149, 237, 

 245, 252; 255, 337, 362, 377, 395, 

 429 ; in formula for adhesive 

 banding, 350 ; experiments with, 

 and methylated spirit against 

 Liothrips setinodis, 233 ; and 

 turpentine against Pieris spp. 570. 



sociurn, Diprion. 



Soda, against Aphids and Coccids, 

 110, 116, 237, 334, 351 ; in 

 sprays against Nysius vinitor, 

 (C462) 



107 ; and arsenic in formida 

 against Aporia crataegi, 25 ; 

 addition of, to nicotine solution, 

 351. 



Soda-napthha Emulsion, formulae 

 for spraying with, against citrus 

 pests, 356. 



Soda-sulphur, compared with lime- 

 sulphur, 225. 



sodalis, Chalcis ; Euarthrus. 



Sodium Arsenate, 347 ; method of 

 spraying with, and molasses 

 against Hyleviyia antiqua, 186; 

 effect of, on Lymaniria •dispar, 

 157 ; in formula against Phloeo- 

 tribus searabaeoides, 139 ; experi- 

 ments with, against Ehngoletis 

 pomonella, 190 ; agaiUiSt vine 

 pests, 47, 353 ; in poison baits 

 for ants, 386 ; in baits for locusts 

 and crickets, 92, 192, 225 ; 

 addition of, to kerosene emulsion 

 against wood-boring insects, 179; 

 in preparation of lead arsenate, 

 341, 345 ; and lime against 

 orchard pests, 45, 537 ; addition 

 of, to resin solution, 237 ; ingre- 

 dient of fluid as a preventive for 

 M eJoJonthu, 254 ; probably an 

 ingredient of Moitus, 25 ; prohi- 

 bition aaainst use of, in France, 

 83. 



Sodium Arsenite, in baits for cut- 

 worms, 35 ; in spravs and baits 

 for locusts, 27, 78, 87, 197, 252, 

 545 ; for poisoning Iridornyrmex 

 humilis, 422 ; experiments with, 

 against Rhagoleiis pomonella, 190; 

 and molasses damaging foliage of 

 cacao, 1 44 ; prohibition against 

 use of, in France, 83, 84. 



Sodium Bisulphide, preparation of, 

 82 ; effect of, on Xyleborus forni- 

 catus, 282. 



Sodium Carbonate, and tobacco 

 extract, in sprays, 32, 82 ; in 

 spray against locusts, 192 ; in 

 preparation of Wobuin mixture, 

 356 ; ineffective against Lepido- 

 saphes iilmi, 165. 



Sodium Chloride (Salt), against 

 scale-insects, 188 ; and hme 

 against Psylla mali, 382 ; and 

 lime effective against Pieris bras- 

 sicae, 25 ; addition of, to wash 

 against Scolytids, 175, 385 ; 

 destroying germinating power of 

 stored maize, 367 ; ingredient of 

 California mixture, 254. 



Sodium Cyanide, iu preparation 

 of hydrocyanic -acid gas, 244, 

 413. 



Sodium Ferrocyanide, production 

 of hydrocyanic-acid gas from, 

 193. 



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