592 



INDEX. 



Striated rocks in Westmoreland, notiee 

 of, 256. 



SulplniTj on a peculiar modification of, 

 435 ; on the detection of minute 

 traces of, 58fi. 



Swale (J. II.), on the geometrical 

 writings of, 536. 



Sylvester (J. J.) on the rotation of a 

 rigid body about a fixed point, 44 ; 

 enumeration of the contacts of lines 

 and siu'faces of the second order, 

 11 J); on the relation between the 

 minor determinants of linearly equi- 

 valent quadratic fimctions, 2'J5, 

 415. 



Temperature, on the distribution of, 

 in the Alps, 247. 



Thomas (A. D.), analyses of Australian 

 gold, 262. 



Thomson (Prof. W.) on the theory of 

 magnetic induction in crystalline 

 and non-crystalline substances, 1 / 7 ; 

 on the effect of fluid friction in 

 (b-ying steam, 4/4 



Tungsten, new compounds of, 77 ■ 



Turpentine, rotaiy power which the 

 essence of, exercises on heat, 466. 



Tyndall (Dr. J.) on the phtenomena 

 of a water-jet, 105 ; on the laws of 

 magnetism, 265 ; on the progress 

 of the physical sciences, 194, 544. 



Vanaihe acid, method of determining, 

 242. 



Vapour, on the relations of vents of 

 hot, to ancient lines of fracture and 

 enijition, 51 ; on the deportment 

 of, during its expansion under dif- 

 ferent circumstances, 398. 



Vegetables, on the action of nitric 

 acid on various, 245 ; on the exist- 

 ence of electric currents in, 578. 



Ventm-i (M.)on the motion of fluids, 1 . 



Verautine, 426. 



^'el•tebra;, on the exogenous processes 

 of the, 249. 



Wallace (W.) on apiine, 212. 



Waller (Dr. A.) on the development 

 of the mouth and tongue of the 

 frog, .'58. 



Wartmann (Prof. E. ) on the polariza- 

 tion of the chemical rays which 

 exist in solar light, 516; on elec- 

 tric currents in vegetables, 5/8, 



Water-jet, on the phanomena of a, 

 105. 



Water, on the supply of, from the 

 chalk stratum in the neighbourhood 

 of London, 423 ; on the law of com- 

 pressibility of, at different tempe- 

 ratures, 548. 



Water-bellov>'s, description of the, 20. 



Wave of translation, v)n the negative, 

 L')2. 



Weld (R.) on the original model of 

 the safety-la ui)), 167. 



AVheatstone (Prof.) on Foucault's new 

 mechanical proof of the rotation of 

 the earth, .572. 



Whewell (Dr.) on the mathematical 

 exposition of some doctrines of 

 ])olitical economy, 336 ; on a new 

 kind of coloured fringes, ib. 



Wilde (E.) on the gyi-eidometer, 550. 



Wind, on the relation of the direction 

 of the, to the age of the moon, 501 . 



Wrottesley (Lord) on the results of 

 obsfrvations of the positions and 

 distances of nineteen stars, 254. 



Wurtz (A.) on a series of alkaloids 

 homolojrous with ammonia, 171. 



Zamminer (M.) on the magnetization 

 of iron bars by the galvanic current, 

 2C0. 



END OF THE FIRST VOLUME. 



