446 
GENERAL INDEX. 
Ptinus brunneus, drugs attacked by, 32. 
fur, larva distinguished from that of Nicobium 
hirtum, 398. 
Pulvinaria innumerabilis, treatment of, 137. 
maclura?, in New Mexico, 209. 
psidii, imported into California, 426. 
Pyropyga minuta, in cotton blossoms, 247. 
Q. 
Quarantine laws, need of, 217. 
Pv. 
Easpberry fruit beetle, on Geum rivale or album 
204. 
Rear -horse, on cotton, 25. 
Eed scale, Florida, in Texas, 279. 
Eepipta taurus, feeding on cotton aphis, 321. 
Reproductive organs, and nitrogenous food, 266. 
Resin soap for Bordeaux mixture and for resin 
wash, 131. 
"wash and resin-kerosene emulsion, 124. 
experiments against San Jose scale. 293, 371. 
kerosene emulsion, 130. 
preparation of, 129. 
Rhagium lineatum, a synonym of inquisitor, 419. 
Rhizobius ventralis, in California, note, 48. 
in the East, 364. 
Rhizococcus quercus, on Quercus laurifolia, 53. 
Rhopus, parasitic habits of species of, 239. 
Rhyncbites bicolor, in New Mexico, 211. 
Ripersia, different species of, 43. 
maritima, n. sp., descr., 42. 
Root web-worm in Pennsylvania, 54. 
S. 
Samia cynthia, power of sembling in, 39. 
San Jose scale, Eastern occurrences, 153-163, 284. 
further notes on, art., 283-295. 
future spread of, 292. 
in Idaho, 202. 
in New Jersey, art., 163-167. 
in New Mexico, 209. 
life-history of, 287. 
on loquat, 360. 
original home of, 290. 
parasites of, 289. 
probably of Australian origin, 333. 
proposed law against, 284. 
work against, 286, 292, 365-374. 
Sannina exitiosa, probably introduced in New 
Mexico, m., 209. 
Sap-chafer, brown, damage by, 271. 
Sap fly, following attack of other insects on trees, 
136. 
Saprinus nitidulus, visiting aroid plants, 344. 
Sarcopbaga sp., reared from adult scarabaeid, 280. 
Sarcopsylla gallinacea, article on, 23-24. 
on horses, 280. 
Sawfly, new, injuring hollyhock, art., 251-253. 
Scale insects, effects of frost on, 282. 
of Arizona, 359. 
newly imported, 426. 
Scaptomyza apicalis = Drosophila flaveola, 382. 
Scarites subterraneus, in cotton fields, 246. 
Schistocerca americana, damage by, art., 220-229. 
in Illinois, 429. 
remedies against, 228, 229. 
Schizoneura lanigera, in Idaho, 202. 
in New Mexico, 209. 
Sciaphilus asperatus (muricatus), in Maine, 272. 
Sciara sp., in mushrooms, 151, 152. 
potato-scab gnat, 147. 
? sp., sap fly on trees, 136. 
tritici injuring wheat, 406. 
Scleroderma macrogaster, in mines of Xyletinus 
peltatus. 150. 
Scolops, groove-legged, on cotton, 322. 
sulcipes, on cotton, 322. 
Scolytus unispinosus, on Picea engelmanni, 255. 
Scorpions, effect of bite of, art., 260-263. 
Screw-worm fly, in New Mexico, 210. 
Scurfy bark-louse of apple = Aspidiotus ( = Chio- 
naspis) furfurus. 
Scymnus cervicalis, feeding on cotton aphis and 
aleyrodes, 247. 
caudalis, feeding on cotton aphis and aley- 
rodes, 247. 
Semiotellus nigripes = Entedon epigonus, 356. 
Senses of insects, article on, 33-41. 
Seventeen-year locust, in New Jersey, 192. 
Sharpshooter, glassy-winged, on cotton, 322. 
irrorated, feeding on cotton, 323. 
wave-marked, on cotton, 322. 
white-margined, feeding on cotton plants, 322. 
Seirodonta bilineata, parasites of, 280. 
Sigalphus sp., parasitic on Chalcodermus seneus. 
mm., 280. 
Sight in insects, 33. 
Silvanus advena, attacking aconite tuber, 32. 
referred to Cathartus, 419. 
cassise and quadricollis, synonyms of Cathar- 
tus gemellatus, 418. 
sp., drugs attacked by, 32. 
surinamensis, attacking almond meal, mm., 32, 
Simulium occidentale, in New Mexico, 211. 
vs. young trout, 50. 
Sinea diadema, destroying cotton worms, 321 . 
Siphonophora avense, in Idaho and "Washington, 
202. 
in Ohio, 205. 
sp., cause of " twitter," 265. 
Sitodrepa panicea, list of drugs attacked by, 31, 32. 
bookworm injury due to, 397, 398. 
larva distinguished from that of Nicobium 
hirtum, 398. 
Smell, in insects, 36. 
Soap, against San Jose scale, expts. with, 293, 370. 
Soldier bug, bull-horned, feeding on cotton apbis 
321. 
clubbed, feeding on cotton aphis, 321. 
crowned, destroying cotton worms, 321. 
green, feeding on cotton, 320. 
mosquito-shaped, feeding on caterpillars, 
322. 
single-spotted, puncturing cotton, 320. 
social, feeding on cotton aphis, 322. 
two spined green, feeding on cotton aphis, 
322. 
Solenopsis geminata, on cotton, 242. 
