552 



INDEX. 



Royal Society, proceedings of the, 

 56, 150, 229, 293, 383, 459, 535. 



Russell (W. H. L.) on the theory of 

 definite integrals, 230. 



Salt, on the object of, in the sea, 236. 



Savory (Dr. W. S.) on the develop- 

 ment of muscular fibre in Mam- 

 malia, 299. 



Schlagintweit (A. H. and R.) on the 

 temperature and density of the 

 Mediterranean and Red Seas, 396. 



Sea-water, on the temperature and 

 density of, 396. 



Secchi (A.) on the periodical variations 

 of terrestrial magnetism, 432. 



Spottiswoode (W.) on the theory of 

 invariants, 384. % 



Starch, on the digestion of, 459. 



Steam, on the value of, in the decom- 

 position of neutral fatty bodies, 

 235. 



Stickleback, on the impregnation of 

 the ovum in the, 153. 



Sulphoxylolic acid, on the prepara- 

 tion of, 455. 



Sunlight, on the mechanical value of 

 a cubic mile of, 36. 



Sylvester (J. J.) on differential trans- 

 formation and the reversion of 

 serieses, 391. 



Table spar, examination of, 452. 



Thacker (Rev. A.) on a case of dis- 

 turbed elliptic motion, 51. 



Thomson (Prof. W.) on the possible 

 density of the luminiferous medium, 

 and on the mechanical value of a 

 cubic mile of sunlight, 36 ; ele- 

 mentary demonstrations of proposi- 

 tions in the theory of magnetic 

 force, 241 ; on the magnetic me- 

 dium, and on the effects of com- 



pression, 290 ; on the quantities of 

 mechanical energy contained in a 

 fluid in different states as to tem- 

 perature and density, 523 ; on the 

 electro-statical capacity of a Leyden 

 phial and of a telegraph wire insu- 

 lated in the axis of a cylindrical 

 conducting sheath, 531. 



Tyndall (Dr. J.) on the existence of 

 a magnetic medium in space, 205 ; 

 on the nature of the force by which 

 bodies are repelled from the poles 

 of a magnet, 387 ; on the polymag- 

 net, 425. 



Vapours, on the elastic forces of, 4, 

 44 ; on the heat of, 25. 



Verdet (M.) on the optical properties 

 developed in transparent bodies by 

 the actidh of magnetism, 481. 



Vine-disease, on the, 6/ ; on the pro- 

 posed remedies for the eradication 

 of the, 71- 



Vitreous body, on the optical struc- 

 ture of the, 306. 



Wheatstone (C.) on the formation of 

 powers from arithmetical progres- 

 sions, 59. 



Williamson (Prof. A. W.) on the 

 magnetic medium, 541. 



Wilson (G.), on the value of steam in 

 the decomposition of neutral fatty 

 bodies, 235. 



Wilson (J.), researches into the alum 

 manufacture, 413. 



Wilsonite, note on, 382. 



Woods (Dr. T.) on sensitive collodion, 

 398. 



Xylidine, on the preparation of, 453. 



Xylole, on some derivatives of, 453. 



Zincethyle, on the composition of, 

 539." 



END OF THE NINTH VOLUME. 



PRINTED BY TAYLOR AND FRANCIS, 

 RED LION COURT, FLEET STREET. 



