Vol, XV; J 



INDEX. 



[J AN. -June, 1890 



Pavement, Hsle patent, 155. 



Peach-trees, 314. 



Petroleum fields, 9; In Eoumauia, 169 ; in Sagtia- 

 lieu, 73, 



Pharaoti. An Appeal to, 61. 



Phelps's .Marine Surveying, TS. 



Phoaetlc?, 5. 



Phonosrapa in the study of Indian languages, 267; 

 new U36 for, 43. 



Phosphate rock In Florida, 301. 



Photography for identlflcatlon, 72 ; instantaneous, 

 84. 



Phthlsii in high altitudes, 56 ; treatment of, by car- 

 bonic acid, 336. 



Physical and mental powers, 303 ; fields, 6), 97, 147. 



Pips from the Susquehanna, 47. 



Plants, natural conditions for, 159 ; new, 3j, 



Pneumatic railway, 9. 



Pneumonia, contagious, 124. 



Pneumonic infection, 236. 



Poisoas, action cf liver on, 107. 



Polishing material, 9. 



Po'.ato, varieties of, 1S9. 



Potatoes, seed, 31 1. 



Powder, smolieless, r9. 



Powell's Liberty aud Life, 28. 



Pressure-waves, 99. 



Progress of society, influence of learned institutions 

 upon, 183. 



Psychical Kesearch Society, 57 ; Proceedings of, 128. 



Psychro jieter, ::64. 



Putrefaction in the sea, 158. 



Eallroad management in Hungary, 287. 

 Railway, a novel, 287: across the Sahara, 2.59 ; Hud- 

 son Bay, 259. 

 Railways In Japan, ISS. 

 Rain, cause of, 16J. 

 Rainbow, triple, .363. 

 Range-fluder, tfislie, 53, SO, 134, 151, 182. 

 Resemblance of people, 16, 33. 

 Resistauca sets, 337. 

 Resplghi, Loranz ), death of, 38. 

 Ribot's Psychology of Attention, 61. 

 Riverside Manual for Teachers, 73. 

 Routing-machine speed, 8. 

 Rowland, H. A., 343. 

 Royal Society members, 9. ■ 

 Rust-proof process, 67. 



Salads, 225. 



Salomons' Electric Light Installations, 178. 



Salt meat and bacteria, 107. 



Sauveur School o: Languages, 202. 



School, a model, at Mannheim, 385 ; of Finance, 



Wharton, 259, 273 ; summer, at Mount Desert, 259. 

 School Issues of the Day, 12. 

 Schools, over-pressure In, 40. 

 Science in China, 23 ; text-boolis, 32. 

 Scientific missions in France, 201 ; work In Russia, 



230. 



Sea, eruption In, 202 ; upon the land, encroachments 

 of ttie, 333 ; urchins, 370 ; water and the nutrition 

 of marine animals, :;01. 



Seeds, should farmers raise their own, 190. 



Sensenig's Numbers ITniversalized, :;36. 



Sessions' In Western Levant, 391. 



Shaffer's How to Remember History, 319. 



Shakespeare, The Bankside, .390. 



Siberian railway, 1-4. 



Slingo and Brooker's Electrical Engineering, ■<92. 



Smell, sense of, 44. 



Smith's Emigration and Immigration, 160. 



Smith's Graphics, :;77. 



t?mokele3s explosives, 145. 



Snake and fish, 21. 



Snake-bite, mortality from, 144. 



Snow, F. H., 274. 



Snow-excavator, 124. 



Snow-plough, electric, 155. 



Soap in India, 245. 



Society and the fad, 282. 



Soils and alkali, 47, 152. 



Sparrow, the English, 315. 



Spectroscope, determination of parallax by the, 375. 



Spellitg reform, 1.5. 



Sponge banks in Sicily, 125. 



Sponges, physiology ot, 236. 



Stammering, 216. 



Stamp-cancelling machine, 3S. 



Stanley and map of Africa, 50 ; explorations of, 2 ; 

 medal, 309. 



Staten Island Natural Science Association build- 

 ing, 9. 



Steam-engine, compound, 119. 



Storaga-batteries, 209. 



Students in France, 244. 



Summer courses at Harvard, 301. 



Sun, setting of, at sea, 231. 



Sunspo'.s and tornadoes, ■.;76, 291. 



Survey of Massachusetts, 114. 



Sutton's Evolution and Disease, 334. 



Sweet's I rimer ot Phonetics, 261. 



Switzerland, Constitution of, 179. 



rait. P. G., portrait of, 9. 



Taste, physiology of, 30 i. 



Taylor's origin of the Aryans, 205. 



Tea In Ceylon, 189. 



Telephone invention, 46. 



Temperature, cllmatologlca!, 190 ; in storms, 346, 



3,6. 

 Temperature^, lake and river, 195. 

 Tempering in lead, 370. 

 Tetanus, bacillus of, 45. 

 Textiles, prehistoric, 23. 

 Thayer's Elizabethan Plays, 114. 

 Thibet, explorations in, 141. 

 Thought and respiration, 177. 



Thunder-storms In Germany, 343 ; on the Siintls, 7i. 

 Thurston's Engine and Boiler Trials, 205. 

 Ties, lignum-vitii?, 175. 



Time-sense, 218. 



Tobacco- plant, 49. 



Toepler-Hoitz machine, 197. 



Tornadoes, i69, 3.0, 333, 351, 3?6. 



Tramways, wire rope, 101. 



Transfer-table, electric, 169. 



Tiichlme in swine, 9L 



Truck for electric cars, 183. 



Tuberculosis, 345. 



Tubs with Bottoms and Tubs without, 19 J. 



Tuaceidlsease, .304 



Tunzelmanu's Electricity in Modern Life, 334. 



Turfa, 56. 



Type-writer, shorthand, 233. 



Typhoid-fever, etiology of, 106. 



Typhus and ground-water, 303. 



Ui-iversities, German, 39. 



Veddahs ot Ceylon, 135. 

 ■Ventilation, 223. 

 Vessels at sea, locating of, 307. 

 Viking Age, Du Chaillu ou the, 74. 

 Visual space measurements, 218. 

 Visualized sounds, 303. 

 Volcanic holes, 159. 



Wagner's Die Entstehuug der Arten durch raum- 



liche Sonderung, 305. 

 Walker's Political Economy, 45. 

 Walking, unconscious bias in, 14. 

 War-balioon.-, 138. 

 Ward's Plant Organization, 62. 

 Warner's Lectures ou the Growth and Means 



TraiLiug the Mental Faculty, 334. 

 ■^'arts, bacillus of, 8 ; removed by electrolysis, 219. 

 Water, sterilizing, 374. 

 Water-spouts, 198. 



Wauter's Stanley's Emin Pasha Expedttlou, 291. 

 Weather In China, 109. 

 Weather-plant, 109. 

 Weeds, 7i. 



Welding, electric, 157. 

 Wendel's History ot Egypt, 223. 

 Wheat, insect destructive to, 41, 80. 

 Whirlwinds, 275. 

 Wliiteflsh, 245. 

 ■Whooping-cough, 201. 

 Wind, observations of, 203, 350 ; velocities In Russia 



342, 

 Wolves in Germany, 23. 

 Women, higher education of, 334 ; studying med 



cine, 371. 

 Wood's Thermodynamics, 27. 



Yellow-fever at Key W^est, 220 ; inoculation for, 338. 

 Young's Elements of Navigation, 262. 



Zinc, strength of sheet, 130. 



