INDEX. 



653 



Stohmann, Mr., ccxxiii. 

 Stokes, Mr. C.G..5S3. 



Prof., 11. 

 Stone and Hooper, Messrs., 419. 

 Dr., 317. 

 Mr. E. J., xxx. 



Mr. Livingston, 412, 425, 432, 434. 

 Mr. Ormoncl, xxi. 

 Stone age of the Antilles, cliv. 

 knives with handles, 326. 

 quarries, phenomena in, 23S. 

 weapons, origin and character of, 

 333. 

 Storer, Prof., ccxxi., 3T2, 39S, 404. 

 Storm-warnings, xl. 

 Storms, xl. 



do they cross the Atlantic, 112. 

 frequency of, 80. 



passage to Europe from America, 

 80. 

 Stormy winds, temperature of, S8. 

 Stowe, Rev. F.W., iii., 14. 

 Strength of cements and mortars, 492. 

 Strong, Prof. E. A., clii. 

 Struve, Mr. Otto, xxxi., 8, 29, 36, 37, 38, 47, 

 589. 

 Mr. William, 36, 39. 

 Stucco, improvement in, 51S. 

 Stummer's guano, 3S1. 

 Sturgeon, artificial "hatching of, 422. 

 Stuxberg, Mr., clxxxviii. 

 Substance in urine, new, 320. 

 Substitute for ink, 519. 

 Suess, Mr., xxxiii., ex. 

 Suez Canal, the, ccl., 511. 

 Sugar in lime mortar, 492. 

 Sulphates from gas flames, 228. 

 Sulphohydrate of ammonia for rendering 



faded manuscript legible, 458. 

 Sulphuric acid and plaster, 518. 



from iron pyrites, eclxxxii. 

 improvement in the manu- 

 facture of, eclxxx. 

 Summary, general, xix. 

 Sun, diameter of the, 41. 

 dimensions of the, 13. 

 temperature of the, 16, 17, IS. 

 the, xxiii. 

 Sun's parallax, 148. 

 Sundevall, Prof. Carl J., 595. 

 Sunlight, chemical action of, 16. 

 Superphosphates, deterioration with age, 



3S6. 

 Survey of India, 251, 259. 

 of Texas, 573. 



of the Territories in 1873, 573. 

 Swallow collection, cliii. 

 Swallow, Prof. J. C, 590. 

 Swan, Mr. James G., exxv., clxiv. 

 Swank, Secretary, cexxxi. 

 "Swatara," U. S. steamer, cxvii. 

 Swedish archaeology, clx. 

 Switzerland, geodesy in, 251. 

 Sylvester, Prof., xliii., 4. 

 Symons.Mr.,162. 



T. 



Tables of elliptic integrals, 1. 



of iron statistics, cexxxi. 



of spectrum lines, new, 135. 

 Tails of comets, formation of, 23. 

 Tait and Smythe, Messrs., xxxvii. 



Dr. Lawsou, lix., 37S. 

 Talcott, Captain, 31. 



Tanning, new treatment of hides in, 546. 

 Tarry, Mr., 27. 



Tartronic acid in glycerin, 231. 

 Tasmania trout eggs, distribution of, 420. 

 increase ofEnglishfishes in,419. 

 Taylor, Mr. J. E., 372. 



Mr. Thomas, cxlii. 

 Tchebitscheff, Mr., 33. 

 Tebbutt, Mr. John, 91. 

 Technical chemistry, xciv. 

 Technology, eclxi., ccixxix., 513. 

 Teeth, artificial deformation of, 356. 

 Telegraph, electric harmonic, eclxxii. 



quadruplex, eclxxii. 

 Telegraphic ground currents, 197. 

 Telegraphy, history of duplex, 471. 

 Telescope of Laussedat, 30. 

 Lord Rosse's, 50. 

 Tellier,Mr.,449. 



Temperature and pressure, effect of, on 

 the spectrum, 135. 

 and radiation, 119. 

 influence of, on nervous sen- 

 sibility, 355. 

 maximum and minimum, at 

 which seeds will germi- 

 nate, 3G4. 

 of stormy winds, 88. 

 of the air, xxxviii. 

 of the sun, 16, 17, 18. 

 vertical distribution on the 

 ocean of the, 75. 

 Temperatures, underground, 68. 

 Temple, Mr., xxxii. 

 Teunant, Colonel, xxv. 

 Tenney, Prof., clxxviii., 22. 

 Terby, Mr., xxvii. 

 Terias lisa, 354. 

 Terquem and Trannin, Messrs., Ixxv. 



Mr., xlviii. 

 Terreil, Mr., lxxxi. 



Terrestrial magnetism and auroras, xxxiv. 



measurements of, 



164. 

 new method of in- 

 vestigating, 165. 

 physics and meteorology, 63. 

 Tertiary floras and modern, 361. 



mammals, new, 336. 

 Tessau, Mr., 490. 

 Test for dye-stuffs, 550. 

 Testing iron and steel, 4S9. 

 Tetraedron, properties of, 35. 

 Texas, first report of the survey of, 573. 

 Thalen, Mr., lxxi., 134, 135. 

 Thallogens, new classification of, cexvii. 

 Theorem of Prof. Meissel, 2. 

 Theory of the electrical machine, 199. 

 of resonators, 132. 

 of the nature of electricity, Ed- 



lund's, 157. 

 of tornadoes and waterspouts, 77. 

 Therapeutical uses of hot baths, 561. 

 Thermal conductivity of mercury, 152. 

 Thermometer, new minimum and maxi- 

 mum, 153. 

 new self-recording, 154. 

 new source of error, 152. 

 scale, origin of the centi- 

 grade, 115. 

 the black-bulb-in-vacuum, 

 151. 

 Thermotics and chemistry, 125. 

 Theta functions, 2, 4. 



