INDEX. 



483 



Ground-gm, or ice formed at the bot- 

 tom of running water, 295. 



Grove (W. R.) on some electro-nitro- 

 gm-ets, 286. 



on the gas voltaic battery, 463. 



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

 of 1843, 456. 



Guaiacum, resin of, 163. 



• , action of light on a solution of 



this resin spread on paper, 393. 



Guernsev, meteorological journal kept 

 at, 466. 



Guiana, meteorological observations 

 taken at Georgetown, 467. 



Gulliver (G.) on suppuration, 67. 



on the blood-corpuscles of certain 



species of the genus Cervus, 199. 



Gymnotus, character and direction of 

 the electric force of, 111. 



Hsemadynamometer of Poiseuille, 285. 



Haggard (W. D.), experiments made 

 on a piece of Pena silver, 119. 



Hake (Dr.) on the structure and func- 

 tions of the spleen, 164. 



Hall (C. R.) on the structure and 

 mode of action of the iris, 439, 



Halliwell (J. O.), a catalogue of the 

 manuscripts in the library of the 

 Royal Society made by, 253, 334. 



Hanson (Prof.) on a new method of 

 computing the perturbations of the 

 planets, 435. 



Harding (Col. G. J.), wind table from 

 observations taken at Gibraltar,432. 



Hardy (P.) on a new and general no- 

 tation applicable to the doctrine of 

 life contingencies, 198. 



Hargreave (C. J.) on the calculation 

 of attractions, and the figure of the 

 earth, 289. 



Harris (W. S.) on the elementary laws 

 of electricity, 156. 



on the specific inductive capacities 



of certain electric substances, 392. 



Hearing, the organ of, in Crastacea, 

 471. 



Heat, on the production of, by voltaic 



electricity, 280. 

 , Prof. Forbes's discoveries in the 



polarization and double refraction 



of, 104. 



Hennell (H.), notice of the late, 419. 



Henning (Capt. A.), meteorological 

 register kept during a voyage from 

 London to Calcutta and back to 

 London, 329. 



Henwood (W. J.) on the electric con- 

 ditions of the rocks and metallife- 

 rous veins (lodes) of mines in Corn- 

 wall, 317. 



Herschel (Sir J. F. W.) on the art of 

 photography, 131. 



on the chemical action of the 



solar spectinim on preparations of 

 silver, &c., 203, 205. 



, a Royal medal awarded to, 255. 



on the action of the rays of the 



solar spectrum on vegetable colours, 

 393, 397. 



on improvements in photogra- 

 phic processes, 398. 



on an extraordinary luminous 



appearance [the Great Comet] in 

 the heavens on the 17th of March, 

 1843, 450. 



Heygate (Dr. J.) on the nature acd 

 properties of iodide of potassium, 

 and its applicability to the cure of 

 chronic diseases, 473. 



Hibbert, (G.), notice of the late, 93. 



Hilton (J.) on the decussation of fibres 

 at the junction of the medulla spi- 

 nalis with the medulla oblongata, 71. 



Hoar-frost, on the localities affected 

 by, 294. 



Hoare (Sir R. C), notice of the late, 

 93. 



Hodgkinson (Eaton) on the strength 

 of pillars of cast iron and other ma- 

 terials, 227. 



, Royal medal awarded to, 338. 



Hogg (J.) on the action of light upon 

 the colour of the river sponge, 72. 



Holland (Lord), notice of the late, 264. 



Home (Capt. Sir J.E., Bart), magnetic 

 observations made in the West In- 

 dies, on the Coasts of Brazil and 

 North America, 4. 



Hoofs, the, one of a class of non-vas- 

 cular animal tissues, 310. 



Hopkins (W.) on the state of the in- 

 terior of the earth, 83. 



— ^ on the phenomena of precession 

 and nutation, assuming the fluidity 

 of the interior of the earth, 115, 129, 

 367. 



Horse, on the markings of the eel- 

 back dun variety of, 163. 



Hoskins (Dr. S. E.) on the decompo- 

 sition and disintegration of phos- 

 phatic vesical calculi, 442. 



, meteorological journal kept at 



Guernsey, 466. 



