INDEX. 



473 



Round headed borers. 205. 

 Kove-beetles, 172. 



Saliva and its uses, 31. 

 Salivary glands. 30, 31. 

 Sanatoria, defined, 81. 

 San Jose scale, 118. 

 Sand-crickets, 97. 



-flies. 334. 

 Sannina exitiosa, 261. 

 Sap-beetles, 181. 

 Saperda Candida, 209. 

 Sarcophaga carnaria, 355. 

 Sarcopsylla, species of, 329. 

 Saw-flies, 371. 

 Scale insects, 106. 



remedies for, 108, 120. 

 Scape of antenna, 22. 

 Scavenger beetles, 172, 197. 

 Scarabseidse, 197. 

 Scenopinidas, 347. 

 Scenopinus fenestralis, 347. 

 Schistocerca americana, 89. 



peregrinum, 89. 

 Schizoneura, described, 133. 



lanigera, 133. 

 Sciara species, 334. 

 Sclerites, defined, 23. 

 Scoliidse, 400. 

 Scolytidse, 237. 

 Scolytus rugulosus, 238. 

 Scorpion flies, their habits, etc., ^^. 

 Screw-worm fly, 357. 

 Scudderia species, 94. 

 .Scurfy scale, described, 119. 

 Scutelleridfe. defined, 163. 

 Scymnus species, 174. 

 Segments in insects, 311. 

 Semi-loopers, 300. 

 Seminal receptacle, 46. 

 Sensation in insects, 40. 

 Sericaria mod, 286. 

 Serrate antennae, 21. 

 Serricornia, defined. 165. 

 Sesia acerni, 262. 



tipuliformis, 263. 

 Sesiidse, 259. 



Seventeen-year locust, 140. 

 Sex in insects, 46. 



Sheep-bot, 352. 



-tick, 369. 

 Sialidae, described, 72. 

 Silk-worm, 286. 

 Silpha species, 171. 

 Silphidag, 171. 

 Silvanus surinamensis. 176. 

 Silver-fish, 56. 

 Simuliidas, 341. 

 Sinoxylon, 193. 

 Sinuate pear-borer, 187. 

 Sitodrepa panicea, 193. 

 Skippers, 254. 



in cheese, 368. 

 Slugs, beetle larvae, •211. 



saw-fly larvae, 372. 

 Smell, sense of, 43. 



organs of, in antennae, 20. 

 Snake-doctors, 60. 

 Snapping beetles, 182. 

 .Snout-beetles, described, 228. 



what are, 165. 

 Soap mixtures, how they kill, 38. 

 Soaps as insecticides, 446. 

 Social bees, 414. 



life among Termites, 64. 



wasps, 405. 

 Soft scales, described, 110. 

 Soldier beetles, 191. 



flies, 343. 

 Solitary bees, 407. 

 Spanish flies, 225. 

 Span-worms, 307. 

 Species, defined. 52. 

 Sphecidse, defined, 402. 

 Sphecius speciosus, 403. 

 Sphenophorus, species of, 236. 

 Sphex ichneumonea, 403. 

 Sphingidae, 254. 

 Sphinx Carolina, 256. 



celeus, 256. 

 Spilosoma virginica, 266. 

 Spiracles, described, 33. 



how protected, 34. 

 Spittle insects, 146. 

 Spraying machinery, 456. 

 Spring-beetles, 182. 



-tails, 53, 56. 

 Spotted vine-chafer, 202. 



