486 



INDEX. 



Litmus, chemical history of, 233,337. 



Literatm'e, miscellaneous, in the Li- 

 brary of the Royal Society, a cata- 

 logue made of the, 334. 



Liverpool, tide observations at, 242. 



Lloyd (Rev. H.), report on the co- 

 operation of the Russian and Ger- 

 man observers in a system of simul- 

 taneous magnetical observations, 

 197. 



Lloyd (J. A.), approximate'deductions 

 made from about 50,000 observa- 

 tions at the P. Louis Observatory, 

 iMauritius, 232. 



Lobster, on the organ of hearing in 

 the, 472. 



Lochaber, on the parallel roads of, 

 127. 



London, climate of, on a cycle of 

 eighteen years in the mean annual 

 height of the barometer in, 292. 



— — , on the prevailing winds, mean 

 temperature and depth of rain in, 

 300. 



Longitude, new method of determin- 

 ing, 52. 



Lubbock (Sir John W.), notice of the 

 late, 264. 



Lubbock (Sir J. W.) on a theorem of 

 Fermat, 290. 



on an irregularity in the height 



of the barometer, 295. 



Lungs, on the distribution of the air- 

 passages and the formation of the 

 air-cells of the, 381. 



Lushington (E. L.), notice of the late, 

 177. 



Lute, Chinese, on the, 297. 

 Lymphatic vessels, import and office 

 of the, 448. 



M'Cormick (R.) on the birds of Ker- 



guelen's Land, 298. 

 . , geological remarks on Kergue- 



len's Land, 299. 

 MacCullagh (Prof.), a Copley medal 



awarded to, 419. 

 Macclesfield (Earl of), notice of the 



late, 418. 



Macdonald (Dr.) on the markings of 

 the eel-back dun variety of the 

 horse, 163. 



Machines, on the theory of, 318. 



Macilwain (G.) on the relation be- 

 tween the respiratory organs of 

 animals and the preservation of in- 

 dependent temperatures, 474. 



Maclear (T.), account of the fall of a 

 meteoric stone at the Cape of Good 

 Hope, 134, 210. 



, observations made for the veri- 

 fication of the amplitude of La 

 Caille's arc of the meridian, 192. 



Madras, magnetic observations made 

 at, 361, 371, 382. 



, magnetic and meteorological 



observations made at, 396. 



Magnesia, salts of, its action on the 

 blood, 285. 



Magnetic and electric forces, relation 

 of the, 77. 



Magnetic dip and intensity, observa- 

 tions made at sea between Falmouth 

 and the Falkland Islands, 212. 



— — between England and Aus- 

 tralia, 212. 



declination, horizontal intensity 



and inclination, variation of the, ob- 

 served at Milan, 282, 294, 298. 329, 

 362, 371, 435, 456, 462; at Brus- 

 sels, 329. 



inclination and intensity, lines 



of, in the Atlantic Ocean, 212. 



needle, the importance of a more 



accurate determination of the varia- 

 tion of the, 21. 



needle, on the variation of the, 



437. 



■ observations made in the West 

 Indies, Coast of Brazils and North 

 America, 4. 



observations, simultaneous sy- 

 stem of, 197. 



observations made by H.M. ships 



Erebus and Terror, 221, 298. 



observations made at the obser- 

 vatories at Singapore, at Madras 

 and at Simla, 361, 362, 382, 383. 



observatories. Baron Humboldt's 



proposal for the establishment of, 

 9, 170. 



— — observatories in India, papers 

 from the, 361. 



Magnetic-term observations at Milan 

 and Prague, 280, 293, 294, 311, 

 373, 396, 439, 467 ; at Kerguelen's 

 land, 293. 



taken at Hobart Town and Van 



Dieman's Land, 298. 



taken at Singapore, at Madras 



and at Simla, 371. 



Magnetical and meteorological obser- 

 vations, proceedings of the Royal 

 Society relating to, 21, 332, 401. 



