606 



INDEX. 



London Institution, meeting of the mana- 

 gers, 88 ; lectures at the, 414. 



Lubbock (J. W.) on the theory of the 

 moon, and on the perturbations of the 

 planets, part iv., noticed, 81. 



Lunette, micrometrical, on a, 578. 



Lyell (C.) on the freshwater fossil fishes 

 of Mundesley, 320. 



Machines, researches in the theory of, 

 484. 



Maclear's pendulum experiments, on, 243. 



Madeira, geology of the island of, 170. 



Magnesia, malates of, 309. 



Magnetic-term observations made at Mi- 

 lan, and tidal observations made at 

 Prince of Wales's Island and Singapore, 

 163. 



Magnetism, experiments in, 374. 



Magnets, experiments on the shape of, 

 378 ; effect of approximating, ib. ; on 

 restoring the primitive strength of weak- 

 ened, 246. 



Malaria generally connected with the pre- 

 sence of sulphuretted hydrogen, 15. 



Malates of lime, 308 ; of magnesia, 309 ; 

 of zinc, 311 ; of copper, 312; of silver, 

 ib. ; of harytes, ib. ; of strontian, 313 ; 

 at high temperatures, 314. 



Malic acid, 306 ; changes undergone by 

 its salts at high temperatures, ib. 



Mallet (R.) on the production of sulphu- 

 retted hydrogen by the action of de- 

 composing animal matter upon sul- 

 phates, 235. 



Mammiferous animals, ova of, 240. 



Man, ova of, 240 ; composition of the 

 brain of, 411. 



Mantell (Dr.) on the fossil remains of 

 turtles in the chalk formation, 157. 



Marchand (M.) on the supposed hydrate 

 of phosphorus, 93. 



Marchand (Dr. R. F.) on the atomic 

 weight of carbon, 332. 



Marignac (C. de) on the products of the 

 action of nitric acid on naphthalin, 45. 



Martin (P. J.) on the relative connection 

 of the eastern and western chalk de- 

 nudations, 168. 



Maugham (Mr.) on the assay of copper 

 ores, 330. 



M'Cord (J. S.), meteorological summary 

 of the weather at Montreal, from 1836 

 to 1840, 285. 



Mediterranean, exclusion of the sea from 

 the marshes on the coast of the, 15. 



Mellitic acid, 598. 



Mellon (M.) on the preparation of iodate 

 of potash, 334. 



Menabrea (L. F.) on Cavendish's experi- 

 ment, 62. 



Mercury, action of copper on, 482. 



Metallic conductors, heat evolved by, 260. 



Metallic powders, per centage of heat 

 transmitted by, 118. 



Metalliferous veins and rocks of certain 

 mines in Cornwall, electric condition 

 of the, 483. 



Meteorological observations and table, 95, 

 175, 255, 335, 415, 503. 



Meteorological observations taken on 

 board the Erebus and Terror, on the 

 Antarctic Expedition, and at Plymouth 

 and Naples, 156. 



Meteorological summary of the weather 

 at Montreal, from 1836 to 1840, 285. 



Meteors and meteorites, igneous, 500. 



Miasma of the interior of Africa, 13. 



Milan, magnetic term observations made 

 at, 163. 



Miller (Prof.) on the form and optical 

 constants of anhydrite, 177. 



Mines of Cornwall, analyses of the atmo- 

 sphere of some of the, 357. 



Mitscherlich (Prof.) on the nitruret of 

 mercury, 278. 



Models, illustration of geological phaeno- 

 mena by means of, 170. 



Mohr (Dr.) on a new alum, 93. 



Molecular action, remarks on M. Mos- 

 sotti's theory of, 386. 



Montojo (M.) on the mean positions of 

 the stars mentioned in Mr. Baily's ad- 

 dress to observers, 580. 



Moon, theory of the, noticed, 81. 



Moseley (Rev. H.), researches on the 

 theory of machines, 484. 



Mossotti (M.), remarks on his theory of 

 molecular action, 384. 



Moyle (M. P.) on the atmosphere of some 

 of the Cornish mines, 357. 



Mundesley, freshwater fossil fishes of, 320. 



Murchison (R. I.), results of a second geo- 

 logical survey of parts of Russia, 417 ; 

 and M. E. de Verneuil, on the geology 

 of the northern and central regions of 

 Russia, 489 ; on a section and list of 

 fossils from the State of New York, 530. 



JVlurexid, formation of, 452. 



Murphy (Rev. R.) on primitive radices, 

 369 ; calculations of logarithms by 

 means of algebraic fractions, 479. 



Myriapoda, development of the, 520. 



Naphthalin, products of the action of ni- 

 tric acid on, 45. 



Nervous influences, analogy between the 

 phaenomena of the electric and, 31. 



Newport (G.) on the organs of reproduc- 

 tion, and on the development of the 

 myriapoda, 520. 



New York, on a section and a list of 

 fossils from the State of, 530. 



Nitric acid, products of the action of, 

 on naphthalin, 45 ; concentration of, by 

 means of sulphuric acid, 252. 



