196 INDEX. 



Of the air, sea, animals, &c. within the tropics, 208. On and 

 beneath the surface of the earth, v. 123. vi. 171 



Temperature of mines, vii. 



of lakes, x. 198 



. of the earth at various depths, xii. 339. xiii. 144 



. of the Atlantic, remarks on, xiv. 1 17. Of the interior 



of the globe, 207. Of vapour, 439 



' increased, of mines, hypothesis to account for, xvi. 



317, Note 



of the sea at various depths, xvii. 126. Effects of, 



on the intensity of magnetic forces, 279 



influence of, on stone bridges, xviii. 379 



on the earth's surface, experimental data respecting, 



xix. 173 



I'emple of Concord, site of, ascertained, v. 144 



— of Castor and Pollux, excavation around, v. 384 



Tenacity of iron-wire, remarkable instance of, xv. 136. Remarks 



on, 373. xvi. SQ7 

 Tendons, influence of water on, xiii. 418 

 Tennantite, analysis of, vii. 100 

 Tenore (Dr. Michael), notice of his Flora Neapoliiana, and 



appendix, iii. 370 

 Terazi, or Grecian level, notice of, vi. 352 

 Terpodion, a new musical instrument, notice of, xi. 384 

 Test for detecting lead in water, v. 73. For sugar, 123. For 

 copper and iron, ix. 408. x. 183. For baryta and strontia, 

 189. XV. 383. Enumeration of tests proper for the analysis 

 of mineral waters, 217. Examination of them by, 219. New 

 one for gelatine, 454. Infusion of violets, 45G 



for arsenic, xii. 411 



for proto-salts of iron, xv. 382 



papers, notice of two new coloured ones, xvi. 380 



■ elderberries used for, xviii. 400 



■— for iodine, xix. 343. For muriatic or nitric acids, or the 

 salts of these acids, 345 



