536 



INDEX. 



double, orbits of, 209 ; on Bessel's 

 method for the computation of the 

 corrections for tlie aiiijarent places 

 of, 208. 



Stas (M.) on the prepai-ation, proper- 

 ties and composition of acetal, 220. 



Steam, on the density, latent heat and 

 elasticity of, 11, '3. 



Steel bars, on the effects of magnet- 

 ism upon the dimensions of, 76. 



Styplmic acid, 14S. 



Sulphoviuic acid, on the formation of, 

 211. 



Sulphoxiphos\nnic acid and its com- 

 pomids, 382. 



Sulphur, on the presence of, in sub- 

 stances struck by lightning, 222; 

 on the excretion of, by the kidneys 

 in an unoxidized state, 253 ; amount 

 of, in various agricultural crops, 

 330. 



Sulphurous acid, on the salts of, 414. 



Sim, on the existence and mechanism 

 of the negative or projecting rays of 

 the, SJ. 



Tagilithe, analysis of, 69. 



Tartaric acid, on the fermentation of, 

 141. 



Taste, on the mechanism of, 277- 



Telegraph, electric, on the induction 

 of atmospheric electricity on the 

 wires of the, 186. 



Teschemaehcr (E. F.) on gun-cotton, 

 258 ; on the chemical composition 

 of gun-cotton, 273. 



Thialdine, observations on, 470. 



Thompson (L.) on the exhalation of 

 bicarbonate of ammonia bv the 

 lungs, 124. 



Thomson (Dr.), notice of the late, 198. 



Trombolite, analysis of, 69. 



Uranus, an explanation of the ob- 

 served irregularities in the motion 

 ^ of, 130. 



Urine, on the extractive material of 

 the, 253 ; on the preparation of the 

 ammoniaco-magnesian phosphate 

 from, 462. 



Uterus, on the ganglia and nerves of 

 the, 127. 



Vapour atmosphere, on the hourly 

 alterations of the, at Bombay, 246. 



Verdeil (M.) on crystallized bile, 298. 



Villcmite, on the composition of, 295. 



Yiscositv, on the common nature of, 

 437, 502. 



Vision, binocular, on the knowledge 

 of distance given by. 305 ; inverted, 

 on the conversion of relief by, 432. 



Voltaic arc, exjierimcnts and observa- 

 tions on the, 125. 



\'oltaic battery, on a new and prac- 

 tical form of, 127. 



^'oltaic cuiTent, on the origin of the, 

 97. 



Waller (Dr. A.) on hail, and on the 

 inorganic bodies contained in hail- 

 stones, 159 ; on the papillse and 

 nerves of the tongue of the frog, 

 with observations on the mecha- 

 nism of taste, 277- 



Warner (H. S.) on a/^^185. 



Wartmaun (Prof.E. ) on induction, 261 . 



Water, on the maximum density of, 

 41 ; on the decomposition of, b}- 

 heat, 58. 



Waves, of the first order, mathema- 

 tical theoiT of, 1 29 ; on certain at- 

 mospheric or barometric, 482. 



Weld (C. R.) on Neu'ton's telescope 

 at the Royal Society, 139. 



Whitney (M.) on silicates containing 

 chlorine, sulphm'ic and carbonic 

 acid, 528. 



Will (Dr.) on styphnic acid, 148. 



Wilson (J.) on the solvent action of 

 fb'ainage-water on soils, .30. 



Wittstein (M. G. C.) on the change 

 effected in hytbated peroxide of ii'on 

 ^^hen kejit in v.ater, 294. 



Wiihler (M.) on thialdine and sele- 

 naldine, two new artificial organic 

 bases, 470. 



Wurtz (M. A.) on the compounds of 

 cyanogen, 378. 



Young (J. R.) on a generalization of a 

 theorem of Euler in reference to the 

 products of the sums of squares, 

 424. 



Zeise (M.) on carotin, 523. 



END OF THE THIRTIETH VOLUME. 



PRINTED BY RICHARD AXD JOHN E. TAYLOR, 

 RED HON CailBX,JFLEET STREET. 



