555 



INDEX to VOL. XXXIV. 



ACETYLENE, on a new method of 



preparing, 508. 

 Ahrens (M.) on the derivatives of xy- 



lole and methyltoluole, 507. 

 Air, on a photometer for measuring 



the transparence of the, 241. 

 Albumen, on the diffusion of, in water, 



32. 

 Andrews (Prof. J.) on ozone in the 



atmosphere, 315. 

 Arcs, circular, on the approximate 



rectification of, 284, 381. 

 Astro-meteorology, on certain recent 



contributions to, 34. 

 Atkinson (Dr. E.), chemical notices 



by, 26, 220, 506. 

 Atmosphere, on the influence of the 

 August and November meteors on 

 the temperature of the, 39 ; on the 

 existence of ozone in the, 315 ; on 

 the theory of the circulation of the, 

 359. 

 Atomic motion, on the velocity of, 



373. 

 Bailie (J.-B.) on the variation in the 

 dispersion of liquids under the in- 

 fluence of heat, 79. 

 Bayer (M.) on oxide of mesityle and 



phorone, 511. 

 Bennington (C. H.) on a new photo- 

 meter, 475. 

 Bessemer-flame, on the spectrum of 



the, 302, 437. 

 Beyer (M.) on the metamorphosis of 



fruits in ripening, 226. 

 Bigot (M.) on the hydrocarbons, 506. 

 Blood, on a new method of analvsis 



of, 226. 

 Bohn (Prof. C.) on negative fluores- 

 cence and phosphorescence, 108. 

 Books, new : — Norton's Treatise on 

 Astronomy, 477 J Cheyne's " The 



Earth's Motion of Rotation," 538 ; 

 Proctor's Sun-views of the Earth, 

 539. 



Brewster (Sir D.) on the radiant spec- 

 trum, 202 ; on the neutral point of, 

 325. 



Brodie's (Sir B.) system of chemical 

 notation, remarks on, 50, 129. 



Brown (Dr. A. C.) on Sir B. Brodie's 

 system of chemical notation, 129. 



Bullet, on the figure of the, which ex- 

 periences least resistance from the 

 air, 377- 



Bunsen (Prof. R.) on a method of 

 determining the specific gravity of 

 vapours and gases, 1 ; on the tem- 

 perature of the flames of carbonic 

 oxide and hydrogen, 489. 



Cailletet (M.) on the influence of va- 

 rious coloured rays on the decom- 

 position of carbonic acid in plants, 

 485. 



Cane-sugar, on the diffusion of, in 

 water, 32. 



Carbonic acid, on the influence of va- 

 rious coloured rays on the decom- 

 position of, in plants, 485. 



Carbonic oxide, on the temperature 

 of the flame of, 489. 



Carre (M.) on an apparatus for the 

 production of cold, 29. 



Chase (P. E.) on the laws which go- 

 vern the general distribution of heat 

 over the earth, 244 ; on Brewster's 

 neutral point, 325. 

 Chautard (J.) on the magnetism and 



diamagnetism of gases, 168. 

 Chemical notices from foreign jour- 

 nals, 26, 220, 506. 



processes, on thermal action in, 



227. 

 Chlorovalerianic acid, 511. 



