556 
St. John, C. E., wave lengths of elec- 
tricity on iron wires, viii, 311. 
Stone, G. H., asphaltum of Utah and 
Colorado, ii, 148. 
Stones for building and decoration, 
Merrill, ii, 516. 
Storer, F. H. ., elementary manual of 
chemistry, viii, 425. 
Story-Maskelyne, N., Crystallogra- 
phy, 1, 507. 
Sugar Analysis, Wiechmann, i, 69. 
Sullivan, G@. M., Kentucky geol. sur- 
vey, iii, 80. 
Surface tension in analysis, Gossart, 
iii, 8331; and chemical constitution 
of liquids, Linebarger, iv, 83. 
i 
Tarr, R. S., rifting in granite, i, 267 ; 
Permian of Texas, iii, 9; central 
Massachusetts moraine, iii, 141; 
origin of terraces in glaciated re- 
gions, iv, 59; Economic Geology of 
the U.S., vii, 151. 
Taschenburg, O., Bibliotheca Zoo- 
logica, ii, 488; vii, 159. 
Taylor, F. B., highest shore line on 
Mackinac Island, iii, 210; changes 
of level in the region of the Great 
Lakes, ix, 69; Niagara and the 
Great Lakes, ix, 249. 
Teall, J. H. H., origin of crystalline 
schists, vi, 480. 
Telegraphing without wires, ix, 152. 
Telephone for measurement of elec- 
trical currents, i, 515; as an optical 
instrument, Wien, iii, 155. 
Telephonic measurement of electro- 
motive force, Barus, viii, 346. 
Telescopic work for starlight even- 
ings, Denning, ii, 178. 
Temperature of the circumpolar re- 
gion, iv, 480. 
method for obtaining constant, 
Clew, iii, 239. 
pressure, etc., relations between, 
Linebarger, ix, 380. 
‘of minimum visibility, Gray, ix, 
2382. 
Temperatures, low, Pictet, iii, 158; 
measurements of high, Holborn and 
Wien, iv, 499; Barus, viii, 332, 1, 
502. underground, Agassiz, 1, 503. 
Terrestrial magnetism, Wilde’s expli- 
cation, Bauer, iii, 496 ; secular vari- 
ation of, Bauer, 1, 109, 189, 314. 
Tesla’s experiment, simplification of, 
v, 023. 
Texas Academy of Science, Transac- 
tions, vol. 1, v, 78. 
GENERAL INDEX. 
[42 
Texas geological survey. See GEOL. 
REPORTS AND SURVEYS. 
Permian of, Tarr, iii, 9. 
Thermal variation of viscosity and 
electrolytic resistance, Barus, iv, 
259. 
Thermodynamics, graphical, R. de 
Saussure, ix, 21. 
Thermo-electrics, Barus, vii, 366. 
Thome, J. M., Cordoba Durehmus- 
terung, vi, 159. 
Thompson, J. O., 
lengthening, iii, 32. 
Thompson, 8. P., lectures on the Elec- 
tromagnet, i, 327; Electricity and 
Magnetism, ix, 153. 
Thomson, Sir W., popular lectures 
and addresses, vol. ii, viii, 483 ; see 
Kelvin. 
Thomson’s quadrant 
Himstedt, vii, 133. 
Thorpe, T. E., Dictionary of applied 
chemistry, ii, 841; vi, 395. 
Thought transference, Lodge, ii, 348. 
Thunderstorms, origin, Smith, 1, 430. 
Thurston, L. A., recent eruption of. 
Kilauea, viii, 338. 
Thwing, C. B., color photography by 
Lippmann’s process, ii, 388; photo- 
graphic mapping the magnetic-field, 
iv, 374. 
Time, estimates of geologic, King, v, 
1; Upham, v, 209; Fisher, v, 464; 
Walcott, vi, 307. 
Tin and iron, alloys of, Hedden,iv,464. 
Todd, M. L., total eclipse of the sun, 
viii, 76. 
Tolstopiatow, M., Récherches Miner- 
alogiques, vii, 146. 
Total-retiectometer, Pulfrich, i, 481. 
Transformations of energy, mechan- 
ical into chemical, Lea, vii, 377. 
Trinidad, Pitch Lake of, Peckham, 1, 
33. 
Trowbridge, J., dampening of elec- 
tric oscillations on iron wires, ii, 
223; phasemeter, iii, 232; oscilla- 
tions of lightning discharges, vi, 
195 ; electrical waves on iron wires, . 
viii, 307 ; velocity of electric waves, 
in 297, iL 104. 
Tschermak’s theory of the chlorite 
group, Clarke, iii, 190. 
Turbellaria Accela, von Graff, i, 448. 
Turner, H. W., glacial pot- “holes in 
California, iv, 453; lavas of Mt. 
Ingalls, California, iv, 455; gold 
ores of California, ix, 374; gold in 
serpentine, ix, 478. 
Tyrrell, J. B., glacial phenomena west 
of Hudson Bay, ix, 322. 
law of dedi 
electrometer, 
