INDEX. 



549 



Equations, analysis of the theorv of, 

 351. 



Erythric acid, 302. 



Evernic acid, on the preparation and 

 constitution of, 303. 



Faraday (Prof.) on the use of gutta 

 percha in electrical insulation, 165. 



Figures of equilibrium of a liquid mass 

 withdrawn from the action of gra- 

 vity, researches on, 61. 



Flames, on the constitution of, 104. 



Fordos (M.) on the acids of sulphur, 

 75. 



Franklin, objections to the theory of, 

 461. 



Fraunhofer's dark lines, on the phy- 

 sical cause of, 113. 



Frigorific mixture, 153. 



Functions of the form F(z-{-x), on the 

 development of, 284. 



Galvanic currents in the blood, ob- 

 servations on, 229. 



Garbett (E. L.) on some parhelia seen 

 at Portsea on the 29th of March 

 1848, 434. 



Gases, prismatic analysis of the flames 

 of various, 101. 



Gaskin's (T.) Solutions of the Trigo- 

 nometrical Problems proposed at 

 St. John's College from 1829 to 

 1836, notice of, 69 ; Solutions of 

 Geometrical Problems, notice of, t6. 



Gelis (M.) on the acids of sulphur, 

 75. 



Geology of Asia Minor, on the present 

 state of knowledge of the, 137- 



Geometry and geometers, notes on, 

 419. 



Glaisher (J.) on the weather during 

 the quarters ending December 31, 

 1847, and March 31, 1848, 130, 

 506 ; on the corrections necessary 

 to be applied to meteorological ob- 

 servations, 537. 



Goodman (J.) on the identity of light, 

 heat, electricity and magnetism, 

 172. 



Gravity, researches on figures of equi- 

 librium of a liquid mass withdrawn 

 from the action of, 61. 



Gutta percha, on the use of, in elec- 

 trical insulation, 165. 



Hailstone (Rev. J.), notice of the late, 

 221. 



Hamilton fSirW. R.j on quaternions, 

 367. 



Hare (Dr. R.) on the theories seve- 

 rally of Franklin, Dufay and Am- 

 pere, with an attempt to explain 

 electrical phaenomena by statical or 

 undulatory polarization, 461. 



Heale (J. N.) on galvanic currents 

 existing in the blood, 229. 



Heat, light, electricity and magnetism, 

 researches into the identity of, 172. 



Heat disengaged during the combi- 

 nation of bodies with oxj-gen and 

 chlorine, on the, 321, 426. 



Henwood (W. J.), abstract of meteor- 

 ological obseivations made during 

 1847, in the interior of Brazil, 422. 



Herschel's (Sir J. F. W.) Results of 

 Astronomical Observations made 

 during the years 1834, 1835, 1836, 

 1837, 1838, at the Cape of Good 

 Hope, notice of, 378, 518. 



Hop-ash, analysis of, 54. 



Hopkins (W.) on the internal pres- 

 sure to which rock masses may be 

 subjected, 141. 



Hunt (R.) on the supposed influence 

 of magnetism on chemical action, 

 252. 



Iodine, on some remarkable properties 

 of, 206. 



Iron, method of distinguishing the 

 peroxide from the protoxide of, by 

 the blowpipe, 309. 



Jacob (Capt.) on the annular eclipse 

 of October, 8, 9, 1847, 144. 



Johnson (Capt. E.) on some raagnet- 

 ical experiments, 389. 



Joule (J. P.) on shooting stars, 349. 



Jourdan (M. B. F.) on a frigorific 

 mixture, 153. 



Kane (Sir R.) on the occurrence of 

 a deposit of native earthy carbonate 

 of manganese in Ireland, 37. 



Kilburn (W. E.) on the advantage 

 of electrotyping Daguerreotype 

 plates, 541. 



Knapp (Dr. F.) on the law of the nu- 

 trition of animals, 456. 



Lassaigne (M.) on the detection of 

 free sulphuric acid added to wines, 

 77. 



Laurent (M. Aug.) on the action of 

 nitric acid on brucia, 392; on ca- 

 cothelin, 393 ; on the acids of 

 pines, 542. 



Lazowski (M.) on some properties of 

 carbon, 76. 



