10 



Scale, la Oregon liulletiii, ref., 250. 

 parasites of, 487. 

 wax, on orange, 398. 

 yellow, resin wash for, note, 421. 

 Scale insects, fumigation for, 72, 170. 



hydrocyanic acid gas treatment for, history 



of, art., 457. 

 importation of, into California, 182. 

 lady birds versus, 347. 

 new, art., 382. 

 reviews of articles on, 253. 

 winter ■wash for, 347. 

 Scarites subterraneus, destroying army worm, 



54. 

 Scenopinus, larvae found under carpets. 65. 



pallipes, in, 65. 

 Schizoneura, Ilippodamia destroying, I'Jl. 

 mistaken for fungus, 295. 

 corni.hostof Lasiusbrunneus.var, mm, 231. 

 lanigera, in Australia, mm, 195. 

 spraying for, 400. 

 Schizura ipomoea^ description of larva, 62. 

 Sciara, larvaj under pear bark, 126. 

 Scolytus rugulosus, in diseased trees, 86. 

 in Indiana, 298. 

 on apple, 468, 469. 

 Scorpion, sting of, 335. 



whip-tail, habits of, 334. 

 Screw-worm, in Mississippi, 466. 

 in Texas bulletin, 362. 



more injurious than Buflalo gnat ; mm, 453. 

 Scurfy bark-louse, 4, 259. 



Scymnus punctum, destroying red spider, 422. 

 Scythropus elegans, food habits, 37. 

 Selandria ccrasi, on plum, 163. 

 on quince, 171. 



possible occurrence in Tasmania, 480. 

 Selenia illustraria, effects of temperature on the 



coloring of, note, 481. 

 Semasia bucephaloides, sp. n., description, 465. 

 Semiotellus, parasite of Hessian fly, note, 355. 



nigripes, importation of, 164, 367. 

 Sheep, animal parasites of, 91. 



dip, kerosene emulsion as, 258. 

 Sheep scab, kerosene emulsion against, 297. 

 Sigalphus canadensis, parasite of plum gougcr, 



mm, 307. 

 Silk-culture, note on, 199. 

 Silk-nest, of Lepidopteron, 482. 

 Silkworm, American, 338. 

 disease of, 175. 

 grasserie of, art., 445. 

 said to be supported by ramie. 301. 

 Silpha intequalis, in decaying cabbage head, 149. 

 noveboracensis, identified, 466. 

 opaca, mm, 230. 

 Silvanus surinamensis, in Oregon bulletin, 250. 

 Sirnuliuni spp., larvae in Arkansas, 451. 

 Sinoxylon basilare, on Mesquite, 454. 

 Siphonophora avcnw, oatcrop destroyed by, 57, 



sudden disappearance, 74. 

 Sitaris humeralis, on history of, 3. 

 Sitodrepa jjanicea, in Stramonium, 163. 

 Smeared dagger, injuring strawlicrry, ref., 361. 

 Sraynthurushortensis,on cucumber and tobacco, 



151. 

 Soap, fish-oil, in New Jersey bulletin, 301. 



Soap, remedy for Aphis, ref., 257. 



sludge-oil, in New Jersey bulletin, 361. 

 Soldier beetle, feeding on sugar-cane borer, 362, 



bug, glassy-winged, see Hyaliodes. 



green, see Nczara hilaris. 

 Sow bugs, feeding on living plants, 402. 



Injuring flowers, 69. 

 Spalgis, carnivorous habits of, 482. 

 Sparrow, English, traits of, in England, 393. 

 Sphoerius politus, exhibited, 431. 

 Sphrerophthalma castor, identified, 419. 

 Sphecius speciosus, habits, 87. 



larva and cocoon of, 430. 

 Sphenophorus ochreus, affecting corn, 159. 



pulchellus, see Rhodobaenus 13-punctatus. 

 Sphingidte, taken by electric lamps at Pough. 



keepsie, N. Y., list of, art, 322. 

 Sphinx Carolina in Mississippi, mm, 338. 



chersis on ash, mm, 232. 



quinquemacnlata, in .Mississippi, mm, 337. 

 parasitized, 337. 

 remedy, 171. 

 Spider, poisonous, of Australia, 337. 



bites of, 30,127,392. 

 Spiders, character of circumpolar species, 431. 



Dr. Jlarx's catalogue of, rev., 2. 



from Indiana, remarks on, 491. 



Katipo, poisonous nature of bite of, note, 487. 



migrating in midwinter, 469. 



of District of Columbia, address on, ni, 357. 

 Spilosoma virginica, in Mississippi, mm, 338. 



on cabbage, 189. 

 Spittle insect, in Massachusetts bulletin, 365. 

 Spraying devices, competition in, 434. 



cheap apparatus for, 39. 

 Squash bug, in Massachusetts bulletin, 365. 



vine borer in Mississippi, 337. 

 .Stiuirrels, to prevent from pulling corn, 258. 

 Stag beetle, on pear, ref., 308. 

 Stalk-borer, in Massachusetts bulletin, 365. 

 Staphyliniis vnlpinus, larva of, ref., 319. 

 Stem eelworm, in England, 293, ref., 366. 

 Stenoria apiealis, on liistory of, 3. 

 Htenopelmatus fasciatus, carnivorous, 87. 



erroneously supposed to be poisonous, 336. 

 Stibeutes, bred species, 154. 

 .Stings, cocaine for, 344. 

 Strawberry crown-borer, in Kentucky ref., 364. 



leaf flea-beetle, in Indiana, art., 317. 



leaf roller, ref., 304. 



weevil, see Weevil. 

 Strawsoti's air-power distributor, 193. 

 Striped cucumber beetle, in INIississippi, 337. 

 Sugar-cane borer, in Louisiana bulletin, 362. 

 Swallow supplanted by sparrow, 394. 

 .Sweet-potato root-borer, 334, 404. 



saw-fly, ref., 438. 

 Sycamore Lachnus, description of forms of, 286. 

 .Synaldis, bred species, 59. 

 Syneches, feeding habits of, 356. 

 Synemon, larva^ internal feeders, mm, 310. 

 Synemosyna formica, resemblance to ant, 430. 

 Syphocoryne Xanthi, on Xanthium, ref., 312. 

 Systena blanda, on beets, 149, 437. 



clongala, ininriug t'antaloupes and sweet 

 potalo .55. 



tu-niata, on beans, 122. 



