712 



INDEX. 



Solar radiation, if.4. 

 spots, 189, 190. 



and magnetism, 10S. 

 Boleil, 626. 

 Solid matter floating on the same in the 



liquid condition, '215. 

 Solms-Lanbach, Count, 511,517. 

 Solvay, 597. 

 Sondhanss, 219. 

 Sonuett, G. B.,478. 

 Sorauer, Dr., 202. 

 Sorbv, H.C.,273,391. 

 Souillart, 33. 

 Sound, audibility of, 206. 



in air, velocity of, 220. 

 -producing Crustacea, 436. 

 theory of, 100. 

 tracings, 225. 

 Soundings, deep-sea, 112, 113. 

 Sounds of insects, 442. 

 South America, 337. 



archaeology of, 3S5. 

 temperate realm, 4S5. 

 Southall, Jas. C.,3S4. 

 Spaltpilze or Schizomycetes, 520. 

 Spanish globe of copper, a, 340. 

 Species of minerals, new, 279. 

 Specific heat and thermodynamics, 233. 

 Spectra of nebulous stars, 4. 

 Spectroscope, scale for pocket, 237. . 

 Spectroscopes, slitless, 16, 17. 

 Spectrum of chemical compounds, 23S. 

 of iodine vapor, 238. 

 of the aurora australis, 158. 

 of the corona, 16. 

 of the electric spark, 253. 

 photographs, 240. 

 Spee, 10S. 



Speech-curves, 225. 

 Spegazzini,5lS. 

 Speir, Francis, 496. 



F., Jr., 4S3. 

 Speke, 340. 

 Spencer, Herbert, 3S0, 404. 



& Sons,C. A., 356. 

 Spiegeleisen, acids upon, 264. 

 Spindler, Lieutenant J., ISO. 

 Spoerer, Dr., 88. 

 Sponges, fossil, 304. 

 Sprengel air-pump, the, 21S. 

 Stahl, Dr. E., 514, 515, 516. 

 Stal, Prof. C, 625. 

 Standard public time, 40. 

 Stanley, H. M., 214, 340, 341, 344, 396. 



Wiu. F., 150. 

 Stapff, 93. 

 Star catalogues and maps, 10. 



maps of Dr. Peters, 3. 

 Starch, formation of, 550. 



in chlorophyll grains, 267. 

 Starfish, embryology of, 417. 

 Stars, distribution of the, in space, 2. 

 motion of the, in space, 3. 

 proper motions of, 7. 

 Starvation, effect of, 268. 

 Statistics, industrial, 603. 

 Steam, decomposition by charcoal, 269. 

 heating for cities, 5S2. 

 road-wagons, 5S3. 

 Steam <fc S wan, 218. 



Steel ingots exhale an odor of ammonia, 

 2t;:;. 

 magnetized at 400 to 500 C, 245. 

 other than Bessemer, 608. 



Steelite, 2S5. 

 Steenstrup, 2S6. 

 Steere, Prof., 416. 

 Stein in Oberstein. 212. 



Putter von, 42S. 

 Steindachuer, P., 458. 

 Steinmann, Dr., 424. 

 Stembo, L., 19S. 

 Stephauesco, 310. 

 Stephenson binocular, 360. 

 Sterki, V., 427. 

 Stevenson, Prof. J. J., 171, 329. 



W. C, 507. 

 Stewart, Balfour, 105, 10S. 

 Stibiauite, 2S5. 

 Stieda, L.,4S3. 

 Stizenberger, 514. 



Stockholm meeting of the German Astro- 

 nomical Society, 10. 



University Observatory (Swe- 

 den), SS. 

 Stoecklin, 5S0. 

 Stokes, Prof. G. G., 1S9, 233, 361. 



Prof. Wm., 625. 

 Stol, 454. 

 Stone, General, 143, 149. 



Prof. Ormond, S, 9, 24, 66. 

 Stoney and Reynolds, 23S. 

 Storer on nitrification, 54S. 

 Storks, a false under-tail in, 4S2. 

 Storm, a magnetic, 106. 



predictions of Mr. Meldrum, 133. 

 warnings by the New York Herald, 

 123. 

 Storms, 177. 

 Strachau, 143. 



Strasburg University Observatory (Ger- 

 many), S8. 

 Strasburger, Dr., 360, 516. 

 Strasser, P. G., 11. 

 Stratified crystalline rocks, 2S7. 

 Street, Dr., 412. 

 Street-railways, elevated, 577. 

 Strieker, S., 4S3. 

 Strong, M. H., 277, 592. 

 Struve, Otto. 9. 



W., 8. 

 Stnbendoif, General von, 172. 

 Studer, Prof. T. H., 350, 477. 

 Sturtevaut Brothers, 527, 556. 



Dr. E. L., 423. 

 Stiitzite, 2S5. 

 Stuxberg, 323. 

 Suckers,~fresh-water, 467. 

 Suckley, Dr. George, 467. 

 Suflioni, 299. 

 Sugar-beet enterprise in Maine, 5CS. 



in Virginia, 569. 

 Sulphate of magnesia in the mortar, 595. 

 Sulphides and iodine, etc., 277. 

 Sulphur, a new oxide and acid of, 259. 

 Sulph urea, 602. 



Sulphurous vapors iu brickkilns, 594. 

 Sumatra, 349. 

 Sun, the, 12. 



-spot periods, 190. 

 -spots and famines, 12. 



and magnetism, 105. 



and the constitution of the co- 

 rona, 15. 



observed, 13. 

 Sunday Island, meteorology of, 143. 

 Sundevall, 481. 

 Supersaturation in salt solutions, 228. 



