INDEX. 



53f5 



Ethyle, on the sulpliocyanuret and 

 bisiilphurct of, 67. 



Eye, on a change in the state of vision 

 of an, affected with a malfonnation, 

 366. 



Fluid motion, on the equation of con- 

 tinuity in, 104. 



Foucault (L.) on a method of produ- 

 cing lights and shades in equal per- 

 fection in Daguerreotype pictures, 

 213. 



Fremy (M. E.) on hydrates, stannic 

 and metastannic acids, 380. 



Frog, examination of the papillae and 

 nerves of the tongue of the, 277. 



Geology, researches on physical, 69. 



Gerhardt (Ch.) on mellon and its com- 

 pounds, 218. 



Geysirs of Iceland, i)hysical and geo- 

 logical observations on the, 391. 



Glass, on the composition of Bohe- 

 mian, 147; anahsis of, 421. 



Glycerine, on the formation of, 146. 



Gobley (Mr.) on the yolk of eggs, 463. 



Goodman (J.) on a new and practical 

 form of voltaic battery, 127. 



Goodwin (Rev. H.) on the geome- 

 trical representation of the roots of 

 algebraic equations, 366. 



Graham ( Mr. ) on the elements of As- 

 tra;a, 60; on the elements of De 

 Vico's fifth comet, 62. 



Grove (W. R.) on certain pha;nomena 

 of voltaic ignition, and on the de- 

 composition of water into its consti- 

 tuent gases by heat, 58. 



Gun-cotton, on the composition and 

 ex])losiou of, 1 ; observations on, 

 258, 273, 299, 409, 426. 



Hail, observations on, 159. 



Haldat (Dr. de) on the universality 

 of magnetism, 319. 



Hamilton (Sir W. R.) on quaternions, 

 458. 



Hargrcave (C. J.) on the Rev. B. 

 Bronwin's paper on the integration 

 and transformation of certain dif- 

 ferential equations, 8. 



Ilaughton (.Sir Graves C.) on the 

 common nature of magnetism, co- 

 hesion, adhesion and viscosity, 437, 

 502. 



Heat, on the production of light bv, 

 .•«5. 



Heineken (Rev. N. S.| on the ine- 

 ciianieal productions of Al)riiliiiin 



Sharp, 25 ; on Newton's telescope 

 at tlie Royal Society, 211. 



Hennessy(H.) on physical geology, 59. 



Henry (Prof. J.) on the induction of 

 atmospheric electricity on the wires 

 of the electric telegraph, 186 ; elec- 

 trical experiments noticed, 368. 



Henwood (W. J.) on some meteoro- 

 logical observations made during 

 the year 1846 at Gongo Soco, in 

 the interior of Brazil, 361. 



Hermann (M.), analysis of the native 

 phosphates of copper, 68 ; on chio- 

 hte, a new mineral, 70. 



Hind (Mr.) on the elliptical elements 

 of De Vico's fomth comet, 60 ; note 

 on the first comet of Brorsen, ib. ; 

 on De Vico's fifth comet, 62; on 

 the elements of the sixth comet of 

 De Vico, 63 ; on the reduction of 

 Tyclio Brahe's observations of the 

 comet of 1590, 135; notice re- 

 specting comet, 64. 



Hobson (W.) on the equation of con- 

 tinuity in fluid motion, 104. 



Hopkins (T.) on the hourly alterations 

 of the vapour atmosphere at Bom- 

 bay, 246. 



Hydrates, researches on the, 380. 



Hyth-ofluoric acid, on anhydi-ous, 382. 



Imaginaries, on a system of, 257. 



Induction, memoir on, 261. 



Iodide of potassium, easy method of 

 preparing, 146. 



Iron bars, on the effects of magnetism 

 upon the dimensions of, 76. 



Iron, reduction of persalts of, by zinc, 

 149 ; on the change effected in the 

 hydrated peroxide of, when kept 

 under water, 294. 



Jacob (Capt. W. S.), observations of 

 double stars, made at Poonah, 64 ; 

 on the orbits of double stars, 209. 



Johnston's (A. K.) Physical Atlas, 

 noticed, 5.3. 



Joule (J. P.) on the maxinnim density 

 of water, 4 1 ; <m the effects of mag- 

 netism ujion the dimensions of iron 

 and steel bars, 76, 225. 



Kilburn (W. E.) on the chemical ac- 

 tion of light, 378. 



K<)11)0 (II.) on the oxidizing power of 

 oxxgen when (hsengaged by means 

 of voltaic electricity, 3.' (4. 



liUssaigne (M.) on the solubility of 

 carbonate of hnie in water contain- 



