556 



INDEX to VOL, XXVI. 



ABEL (F. A.) on lucifer matches, 



355. 

 Adams (A. L.) on the geology of a 



portion of the Nile valley, 515. 

 Aerolites, notices of, 134. 

 Air, on the diathermancy of dry and 



moist, 21, 44. 

 Airy (G. B.) on the strains in the 



interior of beams, 149; on the 



numerical expression of the de- 

 structive energy in the explosion 



of steam-boilers, 329. 

 Albertite, on the occurrence of, in 



Scotland, 550. 

 Algebraic symbols, on some new, 



406. 

 Angstrom (J. A.) on the conducting- 



power of copper and iron for heat, 



161. 

 Arches, on the stability of, 262. 

 Arsenic, on the solid hydride of, 538. 

 Atkinson's (Dr. E.) chemical notices, 



536. 

 Atmolysis, researches on, 423. 

 Bahr ( J.F.) on the new metal wasium, 



488. 

 Ball (J.) on the formation of alpine 



lakes, 489. 

 Beams, on the strains in the interior 



of, 149. 

 Beilstein (M.) on the decomposition 



of the aldehydes and acetates by 



zincethyle, 541. 

 Benzoyle, on the crystalline form of 



peroxide of, 227. 

 Bottger (M.) on the preparation of 



thallium, 536. 

 Books, new : — Watts's Dictionary of 



Chemistry, 306. 

 Brookite, on the artificial preparation 



of, 537. 



Broun (J. A.) on an apparatus for the 

 statical measure of gravity, 158. 



Buff (Prof. H.) on the relation be- 

 tween the temperature and the 

 tension of vapours, 1. 



Bunsen (Prof. R. W.), researches in 

 photochemistry, 151 ; on caesium, 

 241. 



Caesium, researches on, 241. 



Calculus, on a theorem of integral, 

 293. 



Camphor, on the motions of, on 

 water, 187- 



Carius (M.) on the action of hypo- 

 chlorous acid on organic bodies, 

 539. 



Carrick (T.) on the tides and the 

 earth's rotation, 63 ; on the wave 

 of high water, with hints towards a 

 new theory of the tides, 79. 



Cay ley (Prof. A.) on the problem of 

 pedal curves, 20; on differential 

 equations and umbilici, 373, 44 1 . 



Challis (Prof.) on Newton's founda- 

 tion of all philosophy, 280 ; on the 

 theory of double refraction, 466. 



Chemical notation, observations on, 

 248,380,515. 



, notices from foreign journals, 



536. 



Citramalic and citratartaric acids, 

 541. 



Claudet (A.) on some phenomena 

 produced by the refractive power 

 of the eye, 324 ; on the star chro- 

 matoscope, 327. 



Clerk (Lieut. -Col. H.) on the change 

 of form assumed by wrought iron 

 and other metals when heated and 

 then immersed in water, 391. 



Cobalt, on the magnetical deportment 



