588 



INDEX. 



Caproyle, 175. 



Carmine spar, anahsis of, 242. 



Chalk lines, ou the phosi)horescence 



of, 260, 432. 

 Cballis (Rev. J.) on the principles of 

 hydrodMianiics, 26, 231, 477 ; on 

 the theory of the velocity of sound, 

 405. 

 Clarke (J. L.) on the stvrieture of the 



spinal cord, 243. 

 Claudet (A. F. J.) on the dynactino- 

 meter, an instrument for measuring 

 the intensity of photogenic rays ; 

 with observations on the difference 

 between the visual and photogenic 

 foci, 47s. 

 Clausius (R.) ou the deportment of 

 vapour during its expansion under 

 different cu-cumstauces, 398. 

 Cleiophane, notice respecting, 22. 

 Cloez (M.) on the cyanic amidides, 



349. 

 Cockle (J.) on the solution of three 

 simultaneous quadratics of tlie fifth 

 order, 413. 

 Coloured fringes, on a new kind of, 



336. 

 Coombe (Rev. J. A.) on the rotation 



of the earth, 554. 

 Copper, on the separation of the prot- 

 oxide and peroxide of, 518. 

 Corallines, on the composition of some, 



434. 

 Cramer (M.) on the lifting power of 



magnets, 285. 

 Crystalline substances, on the theory 



of magnetic induction in, 177- 

 Crj'stals, on the magnetic axes of, 447- 

 Cyanamide, 349. 

 Cylinder, on the rolling motion of a, 



■502. 

 Damour (M.) on the composition of 

 NiiUipores and some corallines, 434. 

 Daubeny's (Dr. C.) Inti-oduction to the 



Atomic Theorj% re^^ewed, 496. 

 Davies (T. S.) on geometry and geo- 

 meters, 536. 

 Dechenite, analysis of, 242. 

 De Morgan (Prof.) on several points 



of the integral calculus, 565. 

 De la Provostaye (F.) on the rotary 

 power which the essence of tm-pen- 

 tine and saccharine solutions exer- 

 cise on heat, 466. 

 Desains (E.) on the polarization of 

 light reflected by glass, 335 ; on the 



rotary power which the essence of 

 turpentine and saccharine solutions 

 exercise ou heat, 466. 

 Dew-point, on the relation of the air 

 and evaporation temperatm'es to the 

 temperature of the, 168. 

 Diamagnetic and magnetic bodies, on 



the physical distinction of, 46. 

 Dickinson (J.) on the supply of water 

 from the chalk stratum in the neigli- 

 bom-hood of London, 423. 

 Doliolum, observations on, 568. 

 Donarium, properties of the new 



metal, 583. 

 Donkin (Prof. W. F.) on the geome- 

 trical theory of rotation, 187 j on 

 certain questions relating to the 

 theory of probabiUties, 353, 458. 

 Drach (S. M.) on Glaisher's meteoro- 

 logical corrections, 227, 437. 

 Draper (Prof. J. W.) on the phospho- 

 rescence of bodies, 81 ; on the ab- 

 solute quantity of light emitted by 

 phosphori, 93 ; on the effects of 

 temperature on phosphorescence, 

 95 ; on the chemical action of light, 

 368. 

 Dub (M. J.) on the lifting power of 



electro-magnets, 195. 

 Dulcose, on the composition of, 78. 

 DMiactinometer, description of the, 



"478. 

 Earth, pendulum experiments proving 

 the rotation of the, 552, 554, 561, 

 572, 575. 

 Economy, pohtical, ou the mathema- 

 tical exposition of some doctrines 

 of, 336. 

 Electrical dust figiu-es observed on 



plate glass, 43. 

 Electricity, on the possible relation of 

 gravity to, 68 ; on atmospheric, 329; 

 on the rotation caused by, 495. 

 Electric spark, on a singular property 



of the, 170. 

 Electro-magnetism, researches on, 



194. 

 Electro-magnets, on the lifting power 



of, 195. 

 Electro-motive engine, notice of a 



new, 161. 

 Elliot (Capt. C. M.) on a magnetic 

 survey of the Eastern Ai'chipelago, 

 339. 

 Emerj-lite, composition of, 412. 

 Enargite, observations on, 411. 



