726 



INDEX, 



Frankland (E.) on a new series of com- 

 pounds containing boron, 123. 



on the synthesis of leucic acid, 396. 



Frog, on the structure of the so-called 

 apolar, unipolar, and bipolar nerve- 

 cells of the, 569. 



Gall- bladder, on the nerves of the, 246. 



G-alton (F.), a development of the theory 

 of cyclones, 385. 



G-ases, on the molecular mobility of, 611. 



G-assiot (J. P.), experimental investiga- 

 tions on the stratified appearance in 

 electrical discharges. Effect obtained 

 by varying the resistance, 329. 



on spectrum analysis ; with a de- 

 scription of a large spectroscope, 536. 



Glaciers, theory of the motion of, 110. 



, remarks on a paper on, 676. 



Gladstone (J. H.) and Dale (T. P.), re- 

 searches on the refraction, dispersion, 

 and sensitiveness of liquids, 448. 



Glyoxylic acid, on some compounds and 

 derivatives of, 429. 



Glyptodon, description of a new speci- 

 men of, 316. 



Gore (G.) on the properties of electi'o- 

 deposited antimony (concluded), 185. 



on the production of vibrations 



and sounds by electrolysis, 217. 



Graham (T.), Copley Medal awarded to, 



287. 

 on the molecular mobility of gases, 



Gray (H.), obituary notice of, xi. 



Griess (P.) on some new compounds 

 obtained by nitrogen-substitution and 

 new alcohols derived therefrom, 418. 



Hailstones, fall of remarkable, 239. 

 Haughton (Rev. S.) on the reflexion of 



polarized light from polished surfaces, 



168. 



on the tides of the arctic seas : 



Part II. the semidiurnal tides of Port 

 Leopold, North Somerset, 278. 



Heart, vertebrate, arrangement of the 

 muscular fibres of the ventricular por- 

 tion of the, 536. 



Heat, simultaneous distribution of, 

 throughout superficial parts of the 

 earth, 173. 



, on the absorption and radiation of, 

 by gaseous and liquid matter, 679. 



Heights, a simple formula for calculating 

 barometrically without logarithms,511. 



Hennessy (H. G.) on the simultaneous 

 distribution of heat throughout super- 

 ficial parts of the earth, 173. 



Herschel (Sir J. F.W.), some remarks 



appended to a report on Mr. Hop- 

 kins' s paper " On the Theory of the 

 Motion of G-laciers," 676. 



Hirst (T. A.) on the volumes of pedal 

 surfaces, 247, 271. 



Hodgkinson (E.), obituary notice of, xi. 



Hofmann (A. W.), notes of researches 

 on the polyammonias : No. XX. on 

 the colouring matters produced from 

 aniline, 2 ; No. XXI. on paraniline, 

 312 ; No. XXII. secondary products 

 formed in the maimfacture of aniline, 

 389 ; No. XXIII. hydrobenzol a new 

 compound isomeric with benzidine, 

 576; No. XXIV. on isomeric dia- 

 mines, 639. 



, researches on some of the artifi- 

 cial colouring matters : No. I. on 

 the composition of the blue deriva- 

 tives of the tertiary monamines de- 

 rived from cinchonine, 410. 



, contributions towards the history 



of the monamines : No. VI. note on 

 the action of iodide of methyl on am- 

 monia, 380 ; No. VII. transforma- 

 tion of aniline into benzoic acid, 383. 



, contributions towards the history 



of the colouring matters derived from 

 aniline, 645 ; from coal-tar, 647. 



Holyhead, appendix to the account 

 of the earthquake-wave experiments 

 made at, 84. 



Hopkins (W.) on the theory of the 

 motion of glaciers, 110. 



Huggins (W.) and Miller (W. A.), note 

 on the lines in the spectra of some 

 of the fixed stars, 444. 



Huxley (T. H.), description of a new 

 specimen of Glyptodon, recently ac- 

 quired by the Royal College of Sur- 

 geons of England, 316. 



Hydrazobenzol, a new compound iso- 

 meric with benzidine, 576. 



Indian meteorology, numerical elements 

 of, 567. 



Iodide of ethylene, action of chloride of 

 iodine on, 278. 



of methyl, action of, on ammonia, 



380. 



Iron, malleable, difference in the proper- 

 ties of hot-rolled and cold-rolled, as 

 regards the power of receiving in- 

 duced magnetism, 105. 



and other metals, change of form of, 



when cooled by partial immersion in 

 water, 453. 



and thallium, influence of tempera- 

 ture on the electric conducting-powcr 

 of, 472. 



