INDEX. 



461 



Connell (Prof.) on a new dew-point 

 hygrometer, 293. 



Crj'stals, on the molecular constitu- 

 tion of, 108, 310, 329. 



Currents, sea, on the registration of, 

 375. 



Cymidine, on the formation and pro- 

 perties of, 434. 



Dallas's (E. W.) Elements of Plane 

 Practical Geometrj% reviewed, 214. 



Dana (J. D.) on the molecular con- 

 stitution of crystals, 329. 



Darwin (C.) on scratches produced by 

 icebergs, 96, 



Davj' (Dr. J.) on the ova of the salmon, 

 in relation to the distribution of 

 species, 138. 



Diamagnetic force, on the, 153, 257. 



• phenomena, comparative view 



of paramagnetic and, 169, 268. 



polarity, on Weber's theory of, 



274. 



Diamagnetism, on the theorj' of, 407. 



Dick (A.) on the preparation of alu- 

 minium from krj'olite, 364. 



Donkin (W. F.) on a class of differ- 

 ential equations, 47. 



Egv'ptian bottle, on an organic matter 

 found in an ancient, 345. 



Elasticity, on the centrifugal theory 

 of, 354,411. 



Electric conductibility of air, on the, 

 326. 



Electric conduction, on, 98. 



Electric currents, on the passage of, 

 through rarefied air, 313. 



induction, researches on, 56. 



Electrical aj)paratus which acts the 

 j)art of a valve, on an, 207. 



Electricit}', Faraday's Experimental 

 Researches in, reviewed, 295. 



Electro-chemical eqiuvalents, on the 

 law of, 210. 



Embryo, on the form of the cranium 

 in the, 447. 



Equations, on a class of differential,47. 



Faraday (Prof.) on electric conduc- 

 tion, 98 ; Experimental Researches 

 in Electricity, reviewed, 295. 



Felspars of tlie Dublin and Wicklow 

 mountains, on the, 115, 365, 420. 



Fick (Dr. A.) on liquid diffusion, 30. 



Fluids, on the velocity of sound in, 

 418. 



Fluorescent bodies, on, 69, 390. 



Foraminifera, researches on the, 304. 



Forbes (J. D.) on the descent of gla- 

 ciers, 300. 



Forster (R. T.) on the molecular con- 

 stitution of crystals, 108, 310. 



Foucault (M.) on the heat produced 

 by the influence of the magnet upon 

 boches in motion, 457. 



Fuses of shells, on the influence of 

 local altitude on the bumine of the, 

 48. ^ 



Galbraith (Rev. J. A.) on the felspars 

 occurring in the granites of the 

 Dublin and Wicklow mountains, 

 115,420. 



Gales at sea, on the registration of, 3/7. 



Garcia (M.) on the human voice, 218. 



Gaugain (J. M.) on an electrical appa- 

 ratus which acts the part of a valve, 

 207 ; on the electric conductibility 

 of air, 326. 



Glaciers, on the descent of, 60, 300. 



Glottahte, occurrence of, 118. 



Granites of the South-east of Ireland, 

 on the chemical composition of the, 

 23. 



Greg (R. P.) on a new meteoric iron 

 from Chili, containing native lead, 

 and on the fall of a large mass of 

 meteoric iron, 12 ; on two doubtful 

 British species, Glottalite and Zeux- 

 ite, 118; on the lunar origin of 

 aerolites, 429. 



Guibourt (M.) on Tabasheer, 229. 



Haeffely (Ed.) on some of the com- 

 pounds of tin with arsenic, 290. 



Hauer (C. von) on the acetates of 

 manganese,cadmium andnickel,391 . 



Haughtou (Rev. S.) on the chemical 

 composition of the granites of the 

 South-east of Ireland, 23 ; on ser- 

 pentines and soapstones, 253. 



Heat, on the transmission of radiant, 

 through crystals in the direction of 

 transmission, 16 ; on the theory of, 

 354, 411 ; on the transmission of, 

 in metals, 393. 



Ileddle (Dr.), analysis of Lunnite, 39. 



Herapath (T.) on the ana;sthetic prin- 

 ciple of the Lycoperdon proteus 

 and certain other fungi, 67 ; on the 

 compounds of iodine and strychnine, 

 454. 



Hirst (T. A.) on the existence of a 

 magnetic medium, 442. 



Ilofmann (Dr.) on aniline, azobenzole 

 and benzidine, 452. 



