460 



INDEX to VOL. XXX. 



AlR-PUMP, on a new form of mer- 

 curial, 129. 



Airy (G. B.) on hemiopsy, 19. 



Alizarine, on a compound from naph- 

 thaline isomeric with, 358. 



Alloys, on easily fusible, 447. 



Atkinson (Dr. E.), chemical notices 

 by, 249, 356, 443. 



Atmosphere, on the polarization of 

 the, 118, 161. 



Atropine, on some new products from, 

 362. * 



Aventurine, on a new kind of, 455. 



Bahr (Prof.) on the inversion of the 

 absorption-bands in the spectrum 

 of erbium, 320. 



Barometric hypsometry, on the cor- 

 rections for latitude and tempera- 

 ture in, 144. 



Barrett (W. F.) on some physical 

 effects produced by the contact of 

 a hydrogen-flame with various bo- 

 dies, 321. 



Basalt, on the occurrence of rubidium 

 in, 254. 



Bauer (M.) on the preparation and 

 properties of rutylene, 356. 



Beilstein (M.) on xylole, 356 ; on py- 

 romucic acid, 360. 



Benzoyle, on the preparation of, 357. 



Berland (M.) on some improvements 

 in electrotyping, 451. 



Bezold (Dr. VV. von) on the electrical 

 behaviour of solid insulators, 181 ; 

 on twilight, 419. 



Bird (A.) on the construction of a 

 water-barometer, 349. 



Bottger (Dr.) on the extraction of se- 

 lenium, 445. 



Books, new : — Proctor's Saturn and 

 its System, 233 ; Oakes's Table of 

 the Reciprocals of Numbers, 312. 



Brewster (Sir D.) on the polarization 

 of the atmosphere, 118, 161. 



Brigel (M.) on the preparation of 

 benzoyle, 357. 



Bromine, on the detection of, by 

 spectrum analysis, 449. 



Bultinck (M.) on the use of magne- 

 sium as electromotor metal in vol- 

 taic elements, 390. 



Caesium, on the occurrence of, in 

 various rocks, 254. 



Cambridge Philosophical Society, 

 proceedings of the, 372. 



Carbonic oxide, on the detection of 

 poisoning by, 456. 



Cassiterite, analyses of, 139. 



Cayley (Prof.) on the projection of 

 the ellipsoid, 50; on a triangle 

 in- and circumscribed to a quartic 

 curve, 340 ; on a problem of geo- 

 metrical permutation, 370; on a 

 property of commutants, 411; on 

 the signification of an elementary 

 formula of solid geometry, 413. 



Challis (Prof.) on hydrodynamics, 

 207, 258. 



Chase (P. E.) on numerical relations 

 of gravity and magnetism, 52 ; on 

 the influence of gravity on magne- 

 tic declination, 185; on gravity 

 and magnetic inclination, 329. 



Chemical actions, on the mechanical 

 energy of, 391. 



nomenclature, observations on, 



11,57. 



notices from foreign journals, 



249, 356, 443. 

 reactions obtained by employing 



anhydrous liquids as solvents, on, 



414. 

 Chlorine, on the detection of, by 



spectrum analysis, 449 



