432 



Sarcoptfi.s minor, itcli cjiused by, 407. 

 Sarcoptidae, origin and develoimient of parasitism 



in, art., 182. 

 Saturnia cyntliia, n-f., 115. 

 Saw-fly, apple, in England, ref., 294. 

 European corn, in X. A., 1G8. 

 Eurojiean wlioat, date of introduction, 344. 

 larch, hemlock damage by, 219. 

 on gooseberry, mm., 67. 

 on sweet potatoes, 74. 

 plum, in England, 38. 

 wheat-stem, ref., 357. 

 willow, injury by, 132. 

 parasite reared from, mm., 67. 

 Saw-flies, remedies for, 179. 



resemblance of Pronuba to, 370. 

 wheat and grass, art., 168-79. 

 Scale, black, exotic ladybird enemies of, m., 163, 



164, 289. 

 type of Bernardia, m., 150. 

 cottony maple, in "Utah, mm., 75. 



parasite of, 142. 

 flat. Australian ladybird feeding on, mm., 164. 



on Mediterranean orange, ref., 288. 



Scymuids preying on, m., 289. 

 Florida wax, on LeCoute pear, 397. 

 fluted, primary and secondary parasites of, 



m.,254. 

 reappearance of, in Colorado, 101. 

 on Hymenoplea salsola, 160. 

 -insect, another imported, 347, 348. 



destroying saltbush, ref., 294. 



eaten by a mouse, 410. 

 -insects, a new furaigator for, 328. 



argument against spraying for, 154. 



attempt to introduce enemies of, 163-164, 

 289. 



California, ref., 167. 



fumigator for, 328. 



from Tahiti, 213. 



from Trinidad. 213. 



gas treatment for, ref., 296. 



importation of parasites of, 400. 



infesting orange trees imported from 

 Sandwich Ids., list. 218. 

 long, doubt as to itsthrivingin California, 343. 

 purple, from Tahiti, 213. 



from Trinidad, mm., 214. 



in Jamaica, mm., 157. 



no eflicieut enemy known, 143. 



tlirives in California, 343. 

 red, Australian enemies of. 164. 289. 



from Tahiti, 213. 



in California, ref., 167. 



killed by cold, 343. 



of Florida = Aspidiotus ticus. 

 rose, notes on, 213. 

 round, in Jamaica, mm., 157. 

 saltbush, of Australia, 408. 

 San Jose, in California, ref.. 167. 



remedy, 83. 

 West Indian rufous, .art., 380. 

 white, in Nebraska, mn;., 133. 

 white cottony, in Trinidad, m.. 214. 

 yellow, parasite of ^=Eucarsia, m., 168. 



Scarabseid beetles, time of flight in, rem., 229 



larvw, on sugar-cane, 388. 

 Scarites subterraneus, is it herbivorous? 330. 



mites on, mm., 27. 



said to destroy peach-tree borers, 204. 

 Scelio, bred species, 124. 



Schistocercaperegrina, fungus disease of, 151, 408, 

 Schizocerus privatus, on sweet potatoes, 74. 

 Schizoneura lanigera, in India, ref., 296. 



in Utah, mm., 75. 



ladybirds feeding on, mm., 339. 

 Sciapteron tricincta, on willow, 66. 

 Sciara. gregarious larvae, of, 214. 

 Scirpophaga Intacta, on sugar-cane in Java, 102. 

 Scolopendra woodii, poisonous qualities of, 147. 

 Scolytidae, in Dr. Bos's compendium, 149. 

 Scolytid in apple twigs. 43. 

 Scolytus rugulosus, in Illinois report, ref., 293. 



4 sjjinosus, credited witli work of Magdalis 

 olyra, mm., 130. 

 Scorpion, whip, death due to. 278. 

 Screw worm, hominivorous habits of, art., 200-201. 



in Mississippi, mm., 34, ref., 90. 



treatment for, corr., 275. 

 Scudder, S. H., notice of article by, 404. 

 Scymnids, importation of, 289. 

 Scymnns collaris, identified, 135. 



New Zealand species sent to California, 163. 

 Semiotellus destructor, mm., 181. 



nigripes, importation of, 179. 

 Sericaria mori, uric acid excreted by, 226. 

 Sesia tipuliformis. in Colorado, ref., 355. 

 Sesiid pest of the persimmon, 332. 

 " Sharp Eyes " rev., 166. 

 Shelton, E. M.. notice of paper by, 91. 

 Shoes, injured by Monohammus confusor, 77. 



injvired by Sitodrepa panicea, 403. 

 Sialis infumata, resembling Pronuba. mm., 370. 

 Silk culture, note on, abs.. 64. 



in California, mm., 337. 



insects of India, ref., 296. 



nests of social larvae, 84. 



worm, Japanese parasite of, art., 113. 

 Silvanus cassia^, in Miss, bull., ref., 293. 

 producing heat, 352. 



surinamensis, in Mississippi, ref., 293. 



in Oregon bull, ref., 237. 

 Sinoxylon basilare, syn. note, 130. 



declive, habits of, 260. 



suturale, on grape, 261. 

 Siphonophora avena\ in Illinois report, ref., 293. 



compared with Toxo])tera, 247. 



sp. on hop in California, ref., 167. 

 Sitodrepa panicea, damaging leather, 403. 

 Sitones flavescens, in Iowa bull., 87. 

 Skunks, enemies of grasshoppers, m., 51. 

 Smith, Prof. J. B., European trip of, 227. 



rev of article by, 356. 

 Snail, broken-tail, in Bermuda, 334. 

 Snow, insects found on, 335. 

 "Snake- worms," gregarious, 214. 

 Soldier bug. destroying gypsy moth, 354. 

 Sow bugs, damaging violets, 401. 

 Spalacopsis, synopsis, ref., 350. 

 Spalangia, hosts of, 123. 



