560 



INDEX. 



Spheroids, on the attraction of, 24. 



Spratt (Lieut.) on the influence of 

 temperature on the distribution of 

 fauna in the iEgean Sea, 169. 



Stars, on the numerical expression of 

 the apparent magnitudes of, 145; 

 on the distribution of, 231. 



Stenhouse (Dr. J.) on alpha- and beta- 

 orcine, 1 ; on chloropicrine, 53 ; on 

 the action of chlorine on anilic acid, 

 231. 



Stokes (G. G.) on the critical values 

 of the sums of periodic series, 309; 

 on a difficulty in the theory of sound, 

 349. 



Strickland's (H. E.)Dodo and its Kin- 

 dred, reviewed, 467. 



Struve (M. Otto) on the satellites of 

 Uranus, 67. 



Struve (H.) on the atomic weight of 

 molybdenum and some of its com- 

 pounds, 409, 524. 



Strychnine, on the phosphates of, 163. 



Sulphomorphide and sulphonarcotide, 

 on the preparation and constitution 

 of, 396. 



Svanberg (L.) on the atomic weight 

 of molybdenum and some of its com- 

 pounds, 409, 524. 



Swan (W.) on certain phsenomena of 

 capillary attraction, 36. 



Taylor (H.) on the apparent motion 

 of the figures in certain patterns of 

 blue and red worsted, 345. 



Temperature, on the influence of, upon 

 the distribution of the fauna of the 

 ^Egean Sea, 169. 



Thomson (Prof. W.) on an absolute 

 thermometric scale, 313. 



Tilley (T. G.) on cenanthal, its com- 

 pounds, and the products of its de- 

 composition, 81. 



Tudor (J.) on the working of the 

 compasses on board the iron steamer 

 Pluto, 63. 



Turnip leaves, analysis of the ashes 

 of, 78. 



Uranite, on the composition of, 397. 



Uranium, on the phosphates of, 244 ; 

 on the arseniates of, 246. 



Uranus, on the satellites of, 67, 237. 



Vegetables, on the gelatinous princi- 

 ples of, 394. 



Vision, on a singular irregularity of, 

 318. 



Vogler (M. C.) on the preparation of 

 black sulphuret of mercury, 486. 



Volta-electric induction, on some ex- 

 periments on, 260. 



Voltaic battery, description of a new 

 and powerful, 207. 



Wartmann (M. E.) on the non-propa- 

 gation by radiation of dynamic elec- 

 tricity, 89 ; on the effect of induc- 

 tion upon the acoustic properties of 

 elastic bodies, 275 ; on the relations 

 of electricity with bodies in the 

 spheroidal state, and on some pro- 

 perties of those bodies, 439. 



Water, on a test for organic matter 

 in, 77. 



Waters, distilled, of cherry -laurel and 

 bitter almonds, on the, 399. 



Wax, chemical researches on the na- 

 ture of, 62, 217, 548; from China, 

 on the chemical nature of a, 64, 378. 



Weather, remarks on the, 186, 365. 



Weld (Rev. A.) on the aurora borealis 

 as seen at Stonyhurst Observatory, 

 October 1848, 376; observations 

 on a solar spot, 480. 



Weld's (C. R.) History of the Royal 

 Society, review of, 472. 



Werther (M.) on the composition of 

 the phosphates of uranium, 244; 

 on the composition of the arseniates 

 of uranium, 246 ; on the composi- 

 tion of uranite and chalkolite, 397. 



Young (Prof.) on some forms of qua- 

 dratic moduli, 45 ; on some proper- 

 ties derivable from the development' 

 of a binomial, 268 ; on the exten- 

 sion of the theorem of Leibnitz to 

 integration, 335. 



END OF THE THIRTY-THIRD VOLUME. 



PRINTED BY RICHARD AND JOHN E. TAYLOR, 

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