476 



INDEX. 



Planetary analogies, 2iJ 



Planets, conjunction of, 308 ; ligure of, 

 429; perturbation of, 468 



Plalina, Russian, 'JS5 



Plumbago, experiments on, 162, 455 

 Polar Seas, fogs of, 315 



PouW,(B.) on the heat of the prismatic 

 spectrum, 330 



P. Q, on Mr. Herapalh's demonstra- 

 tion, 179, 354 

 Prehnite, examination of, 223 

 Preiiss, (M. Juste) on oil gas, 203 

 Prismatic spectrum, heat of, 331, 445 

 Ramage's telescope, 466 

 Rai/s, coloured, heat of, experiments on 

 by Landriani, Senebier, Herschel, 

 Englefield, Rochon, Leslie, Wiinsch, 

 Berard, Ruhland, Powel, and See- 

 beck, SM, 415 

 Real del Mo7ite mines, 229 

 Riddle, (E.) on finding the latitude, 

 253, 344, 458 

 Rivera, on the Urao, 278 

 Rotation, magnetic influence of, 93 

 Sabine, (Capt.) observations on the 

 pendulum, 313, 322; on the ellip- 

 ticity of the earth, 398 

 Schmidt, (Lieut.) on fulminating pow- 

 der, 197 

 Sealing-ivax, ancient Roman, 121 

 Sedum, genus, arrangement of, 172 

 Seebeck, (Dr. T. J.) on the heat of the 

 prismatic spectrum, 331, 445 

 Selenium, native sulphuret of, 220 ; 

 Trommsdorf on, 317 

 Silliman, (Prof.) on anthracite, 166, 

 442, 455 

 Silver, alloys to imitate, 73 

 Smith, (M.) on lunar eclipses, 168; on 

 sundials, 259 

 Societies, learned. Academy of Natural 

 Sciences at Philadelphia, report of, 

 346, 439; Astronomical, 388, 464; 

 Geological, 64, 461 ; Horticultural, 

 390; Linnaean, 388, 461; Royal, 

 387, 460; Royal French Academy, 

 68, 150, 304, 471 ; School of Mines, 

 137 ; Society of Physicians of the 

 United Kingdom, 391 ; Zoology, 



new Institution for the promotion of, 



65 

 Soda, carbonate of, 278 



Solar Sj>ots and chmds, 154 



Song of Birds, instinctive, 17 



Sound, investigations respecting, by 

 Newton, Boyle, Mariotte, and La- 

 place, 11 ; velocity of, 3, 109 

 Spectrum, prismatic, heat of, 331, 445 

 Steam-boats on the Rhine, 3)9 

 Steel, solution of, in acids, 290 

 Stromeyer, on olivine, peridot, &c., 362 

 Sturgeon's magnetic experiment, 101 

 Succulent plants. Cape, 27, 279 

 Sumatra, animals from, 70 

 Sundials, construction of, 259 

 Taylor, (J.) on a School of Mines, 137 

 Tea, plants, used as, 396 

 Telescope, construction of, 41,390,466 

 Titanium, metallic, 124 

 Tredgold, ( T.) on the latent heat of 

 vapours, 277, 392 

 Trichomancs elegans, Hooker on, 1 56 

 Trigonometry, problem in, 391 

 Tungsten, 263 

 Turner, ( Dr.) on oil and coal gas, 206 

 Urao, (carbonate of soda), 278 

 Ure, (Dr.) on an error of, 277, 392 

 Vanuxem, (Prof.) on anthracite, plum- 

 bago, &c., 162, 442, 455 

 Vapours, latent heat of, 277, 392 

 Vauguelin, (M.) on iodine in minerals, 

 269 

 Voltaic conductors, 373 

 Walchner, (Dr.) on titanium, 124 

 IValmstedt, (L. P.) on the composition 

 of peridot, 357 

 W'dhter, (F. ) on tungsten, 263 

 Wright, on fulminating mercury, 198 

 Wurzer, (M.) on an urinary calculus 

 from a hog, 288 

 Young, (Dr.) on atmospheric heat, 86 

 F+ Z, on the binomial theorem, 126 

 Zetland Islands, chart of, 393 

 Zoology, of Java, 51, 70, 126; feline 

 and viverrine series, 56 ; Journal of, 

 63 ; Institution for promoting, 65 ; 

 American, 347 



END OF THE SIXTY-SIXTH VOLUME. 



LONDON: 



PRINTED BY RICHARD TAYLOR, SHOE-LANI. 



1825. 



