5.50 



INDEX. 



Kekule (A.) on the formation of gly- 

 colic acid from acetic acid, 138 ; 

 observations on Mr. Couper's new 

 chemical theoiy, 4/8. 



Kirkmau (Rev.T. P.) on the partitions 

 of the r- pyramid, 54. 



Kolliker (Prof. A.) on the poison of 

 the Upas Antiar, 140; on the 

 physiological action of the Tang- 

 hinia venenifera, 384. 



Kopp (Prof.) on unusual vapour den- 

 sities, 510. 



Kiindig (M.) on acetamide, 135. 



Lamination and cleavage, on, 75. 



Lead, on the equivalent of, 217- 



Lech (Dr. P.) on internal conical re- 

 fraction, 159. 



Lepargj'lic acid, on, 361. 



Light, on the diffi'action of, 321 ; on 

 the influence of, on the polarized 

 electrode, 426. 



Liquids, on the electro-magnetic ro- 

 tation of, 319. 



Logic in general, on, 313. 



Magnesian rocks, on the probable 

 origin of some, 3/6. 



Magnetic declination, on hourly ob- 

 servations of the, 51. 



light, on, 408. 



observations, remarks on some, 



143; on certain results of, 81. 



Malonic acid, on, 362. 



Manganese, on the equivalent of, 

 219 ; on the siliciuret of, 522. 



Marignac (M.) on the equivalents of 

 barium, strontium, and lead, 216. 



Matrices, on the theory of, 223. 



Matthiessen (Dr. A.) on the electro- 

 conducting power of the metals, 

 219. 



Meridian, Indian, on the figure of 

 the, 401. 



Merrifield (C. W.) on the geometry 

 of the elliptic equation, 198. 



Metallurgy, contributions to, 420. 



Metals, on the electro-conducting 

 power of the, 219 ; on the heat- 

 conducting power of, .381 ; on the 

 increase of the electrical resist- 

 ance of the, with the temperature, 

 400. 



Meteoric stone of Borkut, analysis of 

 the, 479. 



Meteors, on luminous, 500. 



Meyer (Dr. L.) on the influence of 

 pressure on chemical affinity, 160, 



Mica, on the black, of the granite of 

 Leinster and Donegal, 396. 



Miller (Prof.) on the planimeters of 

 Wetli, Decher, and Amsler, 230; 

 on some crystallized furnace-pro- 

 ducts, 292. 



Mineral springs, on some, at Teheran, 

 Persia, 477. 



Moon (R.) on the theory of internal 

 resistance and internal friction in 

 fluids, and on the theories of sound, 

 528. 



Moorsom (Capt. W. S.) on the prac- 

 tical use of the aneroid barometer 

 as an orometer, 304. 



Morgan (Prof. De) on the beats of 

 imperfect consonances, 158 ; on a 

 proof of the existence of a root in 

 every equation, 232; on the syl- 

 logism. No. III., and on logic in 

 general, 313. 



Morris (J.) on a new fossil fern from 

 Worcestershire, 74. 



Miiller (J.) on intermittent fluores- 

 cence, 399. 



Murchison (Sir R. I.) on the geo- 

 logical structure of the North of 

 Scotland, 543. 



Murray (Hon. C. A.) on some mineral 

 springs at Teheran, Persia, 477- 



Nickel, on the separation of, from 

 manganese, 197. 



Nicol (Prof. J.) on the slate-rock and 

 trap-veins of Easdale and Oban, 

 238. 



Nicotic acid, on, 361. 



Northcote (A. B.) on the constitution 

 of thermophyllite, 263. 



Numbers, on some properties of, 537- 



Odling (Dr. W.) on the doctrine of 

 equivalents, 37. 



Ormerod (G. W.) on the occurrence 

 of an earthquake along the northern 

 edge of the granite of the Dart- 

 moor district, on September 28, 

 1858, 473; on veins of granite in 

 the carbonaceous rocks on the north 

 and east of Dartmoor, 474. 



Oxygen, on the allotropic modifica- 

 tions of, 178. 



Ozone, on the nature of, 45. 



Paget (Dr. J.) on some remarkable 

 defects in the voluntary muscles, 

 317. 



Palaeozoic fossils of the State of New 

 York, on the, 234. 



