INDEX. 



549 



Colours, accidental, observations on, 

 77. 



Commercium Epistolicum, on the au- 

 thorship of the, 440. 



Copper, crystallization of, by means 

 of phosphorus, 77 ■ 



Crednerite, notice respecting, 141. 



Crystalline lens, on the changes in the 

 structure of the, after death, 192. 



Cyanide of potassium, on the pro- 

 duction of, 399. 



Cyanometer, description of the, 93. 



Davies (the late T. S.) on geometry 

 and geometers, 286, 523. 



Davy (Dr. J.) on the ova of the Sal- 

 monidae, 384. 



Diamond, on a remarkable property 

 of the, 284. 



Donovan (M.) on the supposed iden- 

 tity of the agent concerned in the 

 phamomena of ordinary electricity, 

 voltaic electricity, electro-magnet- 

 ism, magneto-electricity, and ther- 

 mo-electricity, 11/, 198, 290, 335, 

 445. 



Doris, on the anatomy of, 470. 



Dumont (A.) on the application of 

 electro-magnetism as a motive 

 force, 158. 



Earth's axis of rotation, on the stabi- 

 lity of the, 386. 



Electric currents of the first and 

 higher orders, on, 173. 



fluid, on the constitution of the, 



117, 198, 290, 335, 445. 



Electricity, observations on frictional, 

 36; experimental researches in, 

 67 ; observations on monothermic, 

 81; magnetism, heat, light and, on 

 the identity of, 127 ; of flame, on 

 the, 145 ; on the heating effects of, 

 311. 



Electro-magnet, account of experi- 

 ments with a powerful, 32. 



Electro-magnetism, on the application 

 of, as a motive force, 158, 501. 



Elliot (J.) on the stereoscope, 397. 



Elliptic integrals, on the geometrical 

 properties of, 233. 



Eloin's improved miner's safety-lamp, 

 238. 



Embleton (Dr.) on the anatomy of 



Doris, 470. 

 Equations, on tin: integration of linear 

 differential, 187 ; on the theory of, 

 436 ; of the fifth degree, on the 



resolution of, 112; of any degree, 

 on the possibility of solving, 457. 



Faraday (Dr.) on lines of magnetic 

 force ; their definite character ; and 

 their distribution within a magnet 

 and through space, 67, 309, 401. 



Feilitzsch's (Dr. v.) optical investiga- 

 tions occasioned by the total eclipse 

 of the sun on the 28th of July 

 1851, 232. 



Fessel's (M.) electro -magnetic motor, 

 observations on, 155. 



Flame, on the electrical properties of, 

 145. 



Forster (Dr.) on some extraordinary 

 spots on the sun, 78. 



Foucault's (M.) pendulum experi- 

 ment, mathematical theory of, 331. 



Franz (M.) on monothermic electri- 

 city, 81. 



Fremy (M.) on the properties of elec- 

 trified bodies, 503. 



Garnet, on a false cleavage in, 141. 



Gas-batteries, observations on, 317. 



Geometry and geometers, observa- 

 tions on, 286, 523. 



Gillard's (M.) light for illumination 

 obtained from the burning of hy- 

 drogen, remarks on, 152. 



Glands of the chick, on the develop- 

 ment of the ductless, 379. 



Grant's (R.) History of Physical 

 Astronomy, noticed, 468. 



Gray (H.) on the development of the 

 ductless glands of the chick, 379. 



Griffith (Dr. J. W.) on the triple or 

 ammonio-magnesian phosphates 

 occurring in the urine and other 

 animal fluids, 373. 



Grove (W. R.) on the heating effects 

 of electricity and magnetism, 311 ; 

 on a mode of reviving dormant im- 

 pressions on the retina, 435. 



Haidinger (Prof.) on vibrations in a 

 ray of polarized light, 385. 



Hamilton (Sir W. R.) on continued 

 fractions in quaternions, 371. 



Hancock (A.) on the anatomy of Do- 

 ris, 470. 



Heart, human, on the structure and 

 connexion of the valves of the, 

 304. 

 Heat, on the expansion of some solid 

 bodies by, 268; of chemical com- 

 bination," on the, 43, 299, 481. 

 and light, on the analogies of, 495. 



