INDEX. 



549 



Forster (Dr.) on the comet of 1843, 150. 



Fourier, demonstration of the rule of, 6. 



Fownes (G.), notes on the preparation of 

 aether, 386. 



Fox (R. W.), notice of some experiments 

 on the electric currents in Pennance 

 mine, near Falmouth, 457, 491. 



Fruits, fossil, descriptions of some, 541. 



Galhraith (W.) on the recomputation of 

 Roy's triangulation for connecting the 

 observatories of Greenwich and Paris, 

 147. 



Gases, on the detithonizing power of cer- 

 tain, 176. 



Gay-Lussac (M.) on nitric acid, 231. 



Geiis (M.) on the action of potassium, 

 sodium, and zinc on sulphurous acid, 

 545. 



Geological Society, proceedings of the, 

 57, 300, 457, 512. 



Geology : — variegated appearances of the 

 new and old red sandstone systems, 1 ; 

 on the latest geological changes in the 

 south of Scotland, 28 ; geology of Rus- 

 sia, 57 ; geological structure of the 

 Ural mountains, 124; geology and 

 palaeontology of North America, 180 ; 

 superficial deposits near Manchester, 

 300 ; occurrence of the Bristol hone- 

 bed, 301 ; tertiary formations of the 

 United States, 304 ; packing of ice in 

 the river St. Lawrence, 459 ; structure 

 and history of mastodontoid animals, 



464 ; geology of the island of Rhodes, 



465 ; structure of the tusks of masto- 

 dontoid animals, 468 ; on fossil insects 

 in the Wealden, 512, 529 ; fossils from 

 southern India, 514 ; fossil foot-prints 

 of birds, 515 ; on the Ochil hills, 518 ; 

 structure of the Delta of the Ganges, 

 519 ; on pipes or saudgalls in chalk, 

 521 ; on some concretions in tertiary 

 beds of the Isle of Man, 522 ; on the 

 Bala limestone, 524 ; lias bone-bed of 

 Gloucestershire, 531 ; Silurian rocks of 

 Westmoreland and Lancashire, 533 ; 

 stratified rocks of Berwickshire, 539 ; 

 fossil fruits from the chalk, 541. 



Glow-worm, on the phosphorescence of 

 the, 543. 



Grant (Dr.) on mastodontoid animals, 

 465. 



Gravity, on the variation of, in ships' car- 

 goes, 154. 



Grove (Prof.) on the gas voltaic battery, 

 376 ; on voltaic reaction, 443. 



Grover (Capt. J.), notice of the comet,369. 



Hamilton (Sir W. R.) on an expression 

 for the numbers of Bernoulli, and on 

 some connected processes of summa- 

 tion and integration, 360. 



Hare (R.) on Redfield's theory of 



storms, 92, 481 ; on the existence of a 

 compound radical in certain sulphates, 

 203. 

 Heat, on the mechanical value of, 263, 

 347, 435 ; on the production of, by the 

 contraction of elastic tissue, 326. 

 Hennell (H.), notice of the late, 74. 



Herschel (J. F. W.), notice of an extraor- 

 dinary luminous appearance seen in the 

 heavens on the 17th of March, 1843, 54. 



Hoskins (S. E.) on the decomposition 

 and disintegration of phosphatic vesi- 

 cal calculi, 48. 



Hunt (R.) on the spectral images of M. 

 Moser, 225, 356, 415. 



Hydro-electric machine, on some experi- 

 ments performed with the, 194. 



Hyperbola, method of proving the three 

 leading properties of the, 48. 



Ichthyolites, on some new, 186. 



Ick (Mr.) on some superficial deposits 

 near Birmingham, 300. 



Iodide of potassium, octahedral crystalli- 

 zation of, 317. 



Iodoform, on the production of, 398. 



Images, spectral, observations on, 225, 

 356,415. 



Indigo-tithonic rays, on an instrument for 

 measuring the chemical force of, 401. 



Inglis (H.), notice of the late, 74. 



Insects, fossil, on some, 512, 529. 



Iron, on the composition of an acid oxide 

 of, 217. 



J. J. on the variation of gravity in ships' 

 cargoes, 154. 



Jacob (R. E.) on the comet of 1843, 149. 



James (Capt.) on the variegated appear- 

 ances of the new and old red sandstone 

 systems, 1. 



Johnston (J. F. W.) on the sugar of the 

 Eucalyptus, 14. 



Jones(J. W.)on the blood-corpuscles, 375. 



Joule (Mr.) on the calorific effects of mag- 

 neto-electricity, and on the mechanical 

 value of heat, 265, 347, 435. 



Kane (R.) on the colouring matters of the 

 Persian berries, 3. 



Kaye (C.) on a collection of fossils from 

 southern India, 514. 



Kemp (A.) on a new process for preparing 

 cyanogen, 179. 



Kemp(W.)on the latest geological changes 

 in the south of Scotland, 28. 



Kendall (Prof.) on the comet of 1843, 148, 

 472. 



Keyserling(Count)onthe geological struc- 

 ture of the Ural mountains, 124. 



Knox (G. J.) on the compound nature of 

 nitrogen, 135. 



Lanthanium, observations on, 241. 



Larveque (A.) on the action of chlorides 

 on protochloride of mercury, 233. 



