542 



INDEX. 



Manganese, on metallic, 124. 



Martin [P. J.) on the anticlinal line 

 of the London and Hampshire 

 basins, 33, 109. 



Massou (A.) on induction, 219; on 

 the velocity of sound, and on the 

 correlation of the physical proper- 

 ties of bodies, 533. 



Mastodon, on the British species of 

 fossil, 462. 



Matteucci (Prof. C), electro-phy- 

 siological researches by, 454. 



Matthiessen (Dr. A.) on the electric 

 conducting power of the metals of 

 the alkalies and alkaline earths, 81. 



Mesolite, on the composition of, 50. 



Meteorological observations, 79, 151. 



Miller (Prof. W. II.) on the anhar- 

 monic ratio of radii normal to four 

 faces of a crystal in one zone, 96 ; 

 on the construction of the imperial 

 standard pound, 194; on the ap- 

 plication of elementary geometry to 

 crystallography, 345. 



Mineral veins, on some remarkable, 

 293. 



Mollusca, on the distribution of the, 

 on the coast of Norway, 215. 



Monteii'O (J. J.) on a new locality for 

 the mineral atacamite, 470. 



Moon, on the coloration of the, during 

 eclipses, 78. 



Mon-is (J.) on the occurrence of allo- 

 phane at Charlton, Kent, 76. 



Moyle (H. J.) on the occiu-rence of 

 metalliferous ores in Siam, 147. 



Miiller (Dr. H.) on some products ob- 

 tained from Burmese naphtha, 512. 

 Murchison (SirR. I.) on theSilm'ian 

 rocks and fossils of Norway, and of 

 the Baltic provinces of Russia, 529. 



Muscular fibre, on the nature of the 

 involuntary, 456. 



Naphtha, chemical examination of 

 Burmese, 513. 



Nicol (Prof. J.) on the red sandstones 

 and quartzites of the North-west of 

 Scotland, 76 ; on parallel lines, 412. 



Nitrates, on the action of, on vege- 

 tation, 498. 



Nitrites, on the action of sulphuric 

 acid upon the, 276. 



Nitro-acids, on the reduction of the, 

 188. 



Nitrogen, on the assimilation of, by 

 plants, 497. 



Northcote (A. B.) on the constitution 

 of allophane, 338. 



Numbers, on a problem in the parti- 

 tion of, 245. 



Odliug (Prof. W.) on the natural 

 groupings of the elements, 423, 4 80. 



Opliidian, on a fossil, from Karabour- 

 uou, 210. 



Orgauo-metallic bodies, researches 

 on, 379. 



Owen (Prof.) on the Dichodon cuspi- 

 datus, 209; on a fossil Ophidian 

 from Karabournou, 210 ; on the 

 occurrence of mastodon bones in 

 Chili, 388; on the Dichobune ovina, 

 385 ; on Pliolophus vulpiceps, 530. 



Parabenzole, note on, 415. 



Parallel lines, on the theory of, 156, 

 412. 



Peligot (M.) on a method for obtain- 

 ing pure metallic uranium, 123. 



Personne (M.) on terebenthilic acid, 

 184. 



Phillips (R.) on the aurora, 510. 



Phorone, 188. 



Photography, on the application of, 

 to the phjsionomic and mental 

 phfenomena of insanity, 133. 



Piria (M.) on the formation of alde- 

 hydes, 188. 



Pitchstone porphyry of Lough Eske, 

 on the composition of the, 116. 



Plagiaulax, on two species of, 385. 



Pliolophus vulpiceps, description of, 

 530. 



Pole (W.) on colour-blindness, 282. 



Polyedra, on autopolar, 459. 



Polygon, on the problem of the in- 

 and-circumscribed, 337. 



Porism of the in-and-circumscribed 

 triangle, observations on the, 19. 



Potassium, on the electric conducting 

 power of, 86, 148. 



Prestwich (J.) on some fossiliferous 

 ironstone occurring on the North 

 Downs, 211. 



Putrefaction, on the phenomena of, 

 502. 



Pygocephalus Cooperi, description of, 

 465. 



Pyromucyle, 189. 



Rankine (Prof. W. J. M.) on the sta- 

 bihty of loose earth, 292. 



Redfield (W. C.) on the spirality of 

 motion in tornadoes and whirl- 

 winds, 223. 



