TID 
Thomson, R. D., Records of Sci- 
ence, noticed, xxvill, 365 ; xxxil, 
212. 
Thomson, T., native diarseniate of 
lead, xxxv, 297. 
, on diabetic sugar, xxxv, 298. 
, on galactin, xxxv, 303. 
, on cast iron, xxxiv, 21. 
, foreign substances in iron, 
xxxv, 302. 
-, First Principles of Chemistry 
of, noticed, x, 162. 
, on light and heat, xx, 93. 
, Chemistry of Organic Bodies, 
noticed, xxxvi, 202. 
, on the non-existence of zir- 
conia in Sillimanite, xlvii, 219. 
, analysis of Sillimanite, xlix, 
396. 
, analysis of anthophyllite, xix, 
359. 
, scientific medals of, xviii, 
198. 
Thomsonite, in New Jersey, xl, 69; 
xliv, 54. . 
264 
TIN 
Tides, connection with the weather, 
G. W. Hall, xxxi, 371. 
, results mapped out by means 
of curves, W. Whewell, xxxv, 
290. 
wave, circuit character of, 
W. C. Redfield, xxviii, 318. 
and tidal wave of the Atlantic 
and Pacific, W. C. Redfield, xlv, 
294, 
of the Society Islands anom- 
alous, W. C. Redfield, xxvii,311. 
—— ——, ——, xxxiv, 83. 
, observations on the coast sur- 
vey, xlix, 240. 
, remarks on, D. Tomlinson, 
xxxiv, 81. 
, rise and fall of, vanishes at a 
central space in the German 
Ocean, xlii, 158. 
at Arbroath, remarkable, xlvi, 
395. 
, in Nova Scotia, xxx, 345. 
Thorium, a new metal, xvii, 381. 
Thorn fence, x, 167. 
Thracia, see Zootoey, Mollusca. 
Thrembolite, xlii, 386. 
Thunder storms, see under Wind. 
Thury, H. de, on-springs and foun- 
tains, xviii, 267.f 
Thylacotherium, xxxvil, 228. 
Tiarks, J.L., on the northern bound- 
ary of the Lake of the Woods, 
xv, 41. 
Ticknor, G., letter to, from Baron 
von Waltershausen, xlvii, 100. 
Ticonderoga, walls of, iv, 49. 
Tides, atmospheric, Bombay, xxxiil, 
274. 
of the ocean, remarks on, v, 
133. 
, remarks on, W. C. Redfield, 
xxv, 182; xxviii, 311; xlv, 294. 
, theory of, with observations 
at London and Liverpool, J. W. 
Lubbock, xxxi, 338. 
362; xxxv, 290. 
, of Mount’s Bay, Cornwall, 
xlvi, 396. 
observations made at Bristol 
and Leith, xlii, 150. 
of London and _ Liverpool, 
Xxxi, 333. 
of Cape Cod, xxxiv, 393. 
, supposed, in the North Amer- 
ican Lakes, remarks on, H. Whi- 
ting, xx, 205. 
: > —— ——, HAS. 
Dearborn, xvi, ‘78.! 
A » —— ——, D. Rug- 
gles, xlv, 18. 
: , in Lake Superior, H. 
R. Schoolcraft, xx, 213. 
Tilgate forest, birds in the strata of, 
xx1x, 362. 
Timber, growth of, A. C. Twining, 
xxiv, 391. 
, seasoning of, xii, 163. 
» proper season for cutting, 
xxxiv, 169. 
> rotting of, in certain situa- 
tions, xxxii, 380. 
, preserved by pyrolignite of 
iron, xl, 213. 
, W. Whewell on, xxxi, 335,)Tin, purity of, xv, 1°78. 
——,, crystallization of, xvii, 206. 
