555 



INDEX TO VOL. XXXVI. 



Acids :— camphoric, 67 ; terebic, 

 76; paratartaric,78 ; hippuric, 158; 

 nitroprussic, 197, 271, 348; ery- 

 throsic, 245 ; aspartic, 482. 



Acids, fat, on the separation of cer- 

 tain, 402. 



Airy (Prof.) on a problem of geodesy, 

 96 ; on the method of observing 

 and recording transits lately intro- 

 duced in America, 142 ; on the 

 present state and prospects of the 

 science of terrestrial magnetism, 

 311. 



Albite, granular, analysis of a, 319. 



Albumen of eg:gs, on the freezing of 

 the, 541. 



Andrews (Dr. T.) on the heat of com- 

 bination, 511. 



Annuities and assurances on succes- 

 sive lives, observations on, 8. 



Antimony, on the estimation of the 

 weight of, 152. 



Antoine (M. J.) on the multiple sounds 

 and optical phenomena produced 

 by vibrating bodies, 27. 



Arkansite, analysis of, and observa- 

 tions on, 25. 



Arsenic, occurrence of, in iron pyrites, 

 25 ; in the zincs of commerce, 480. 



Arsenic acid, on some insoluble alka- 

 line salts of, 323. 



Aspartic acid, on the formation of, 

 from bimalate of ammonia, 482. 



Aurora borealis, observations of, 457, 

 545. 



Bases, volatile organic, researches re- 

 specting the molecular constitution 

 of the, 540. 



Beetz (Dr. W.) on the electromotive 

 force of gases, 8 1 . 



Beswick (S.) on a method for com- 

 puting magnetic declination, 183. 



Bialloblotzky's (Dr.) journey to dis- 

 cover the sources of the Nile, 151. 



Birt (W. R.) on the connexion of 

 atmospheric electricity with the 

 condensation of vapour, 161; ' Hur- 

 ricane guide,' reviewed, 394 ; on 

 the hail-storm of May 5, 1850, 420. 



2 O 



Blood, on the presence of hippuric 

 acid in the, 158. 



Bodies, on some facts relative to the 

 spheroidal state of, 137, 319. 



Books, new : — M. Regnault's Rela- 

 tion des Experiences pour deter- 

 miner les principales lois physiques, 

 et les donndes num^riques qui en- 

 trent dans le Calcul des Machines 

 a Vapeur, 41 ; Birt's Hurricane 

 Guide, 394. 



Bow, on the theory of the, 27. 



Boye (Prof. M. H.) on a granular al- 

 bite, 319. 



Breithaupt (M.) on glaukodote, 23 ; 

 on embolite, ib. ; on lonchidite, 24 ; 

 on konichalcite, ib. ; on the occur- 

 rence of arsenic in iron pyrites, 25. 



Brongniardite, analysis of, 477- 



Bronwin (Rev. B.) on the theory of 

 the tides, 190, 343. 



Brooke (H. J.) on percylite, 131. 



Brookite, analysis of, 25. 



Brougham (Lord), experiments and 

 observations upon the properties of 

 light, 466. 



Butyric acid, on the separation of, 

 from valerianic acid, 402. 



Caillot (M. A.) on terebic acid, 76. 



Cambridge Philosophical Society, 

 proceedings of the, 235. 



Camphorate of lime, on the dry distil- 

 lation of, 67. 



Challis (Prof.) on a method of cor- 

 recting the errors due to the forms 

 of the pivots of a transit instru- 

 ment, 150; on a new equation in 

 hydrodynamics, 295. 



Chatin (M. Ad.) on the existence of 

 iodine in freshwater plants, 486. 



Chlorite, analysis of, 22. 



Cholesterine, on the action of phos- 

 phoric acid on, 246. 



Chromic acid, on some new salts of, 

 109. 



Chromium, on the equivalent of, 407. 



Clement (M.) on the spheroidal state 

 of bodies, 319- 



Cockle (Jas.) on the true amplitude 



2 



