24 



GENERAL INDEX TO THE ELEVEN VOLUMES OF 



Haworth (A. H.), new account of Ka- 

 lanchoe, vi. 301. 



on the Narcissus group of plants, 



viii. 130. 



on new succulent plants, i. 120, 



271; ii. 344; iii. 183; vi. 137. 



, Prof. Schultes on, vi. 432. 



Hay tor, ammonites in calcedony from ? 

 vi. 315. 



, iron-mine at, Mr. Kingston's ac- 

 count of, iii. 359. 



Haytorite, Mr. Tripe on, i. 38. 



, Mr. W. Phillips on, i. 40. 



, Mr. Levy on, i. 43. 



Heavy spar, Pyrmont, i. 73. 



Heat developed during combustion, iii. 

 233 ; iv. 67. 



effect of equal increments of, in the 



expansion of air, 243. 



, effects of, upon sulphur, iii. 



152. 



, expansion of gases by, v. 419. 



evolved, by compressing water, ii. 



392. 



, extrication of, by compression of 



gases, ii. 230, 390. 



, increase of, in mines, ix. 94. 



, on the phaenomena of, xi. 345. 



, radiant, remarks on, viii. 329. 



, specific, of gases, ii. 311. 



, transfer of, by change of capacity 

 in gas, ii. 230. 



Heineken's (Dr.) meteorological regi- 

 ster kept at Funchal, Madeira, ii. 362, 

 412. 



Hemlock, new alkali in, ii. 392. 



Henderson (Dr. R.) on the existence of 

 iodine in spring water, vii. 10. 



Henderson (T.) on lunar occultations, 

 x. 158, 237, 318, 397. 



, remarks on Capt. Sabine's pendu- 

 lum observations, ii. 124; reply to, 

 by Capt. Sabine, ii. 1 76. 



■ table of occultations of the planets 

 and fixed stars in October, 1830, viii. 

 316; in November and December, 

 viii. 394. 



Hennell (H.) on sulphuric acid and al- 

 cohol, and the process by which aether 

 is formed, v. 226 ; vi. 342. 



Henry (Dr. W.) on a disinfecting appa- 

 ratus, xi. 205. 



, experiments on the disinfecting 



powers of high temperatures, xi. 22, 

 205. 



on the compounds of phosphorus 



and hydrogen, vii. 229. 



Henry (Dr. W.) on the philosophical 

 character of Dr. Priestley, xi. 207. 



, a critical and experimental inquiry 



into the relations subsisting between 

 nerve and muscle, x. 293. 



on bromides, vi. 142. 



on urea, vi. 312. 



on marking-ink for linen, x. 315. 



Henry (Prof.) and Ten Eyck (Dr.), pow- 

 erful electro-magnet, x. 314. 



Henwood (W. J.) on the formation, &c, 

 of springs, ix. 170. 



on the quantities of water afforded 



by springs, viii. 58. 



on the accidents incident to steam- 

 boilers, i. 408. 



on the steam-engines of Cornwall, 



vii. 32 i ; Mr. Farey's reply to, vii. 

 421. 



Herapath (J.) on linear differential equa- 

 tions, ii. 421 ; iii. 19, 210 ; replies to, 

 iii. 96, 97, 262. 



Herapath (W.), method of exhibiting the 

 combustion of the diamond, vii. 407. 



Herderite, a new mineral species, iv. 1. 



Herring, on a variety of, ix. 230. 



Herschel (Sir John F. W.), address to 

 the Astronomical Society, i. 455. 



on the astronomical causes which 



may influence geological phaenomena, 

 ix. 136. 



on the orbits of binary stars, xi. 



131. 



on micrometrical measurements of 



365 double stars, x. 55. 



Heulandite and epistilbite, Mr. Levy on, 

 i. 6. 



High-pressure engines, Perkins's, i. 143. 



Hildreth (Dr.) on fossil trees, near 

 Gallipolis, Ohio, ii. 311. 



Himalayan mountains, birds from the, 

 ix. 58, 145, 231, 370, 453. 



Hodgkin (Dr.) and J. J. Lister, micro- 

 scopic observations of the blood and 

 animal tissues, ii. 130. 



Home (Sir E.) on the use of the gan- 

 glions in furnishing electricity for the 

 production of animal secretions, x. 42. 



Honeycomb, figure of the cells of, iv. 19, 

 233, 313. 



Hordein, analysis of, iii. 150. 



Horizon-sector, particulars of the mea- 

 surement by various methods of the 

 instrumental error of the, J. Nixon's, 

 x. 88, 337. 



Horsburgh (Capt.) on icebergs in the 

 southern hemisphere, vii. 449. 



