INDEX. 



601 



Electric resistance, on the measurement 



of, 313. 

 Electrical accumulation on coated glass, 



law of exploding distance of, 247. 

 Electro-dynamic balance, general re-- 

 marks on testing by, 321. 

 Electrolysis, production of vibrations 



and sounds by, 491. 

 Electro-physiological researches (llth 



series), 384. 

 Elh's (A. J.) on an application of the 



theory of scalar and clinant radical 



loci, 141, 393. 

 Equation, on the, for the product of the 



differences of all but one of the roots 



of a given equation, 69. 

 Equations of the fifth order, on a new 



auxiliary equation in the theory of,134. 

 Ethyl-bases, separation of, 66. 

 Ethylamine, action of dibromide of 



ethylene on, 427. 



Ethylene, preparations of, 258, 259. 

 Ethylene- dichloride of platinum, note 



on, 509. 



Ethylene-urea, 268. 

 Everest (Sir G.), letter to the Council on 



the expediency of re-examining the 



southern portion of the Great Indian 



arc of the meridian, and report of a 



committee thereon, 591. 



Fairbairn (W.), Royal Medal awarded 

 to, 16. 



Fiji Islands, magnetic declination, dip, 

 and force at, in 1860 and 1861, 481. 



Flower (W. H.), observations on the 

 posterior lobes of the cerebrum of 

 the Quadrumana, with a description 

 of the brain of a Galago, 376. 



Food, effect of, on the system, 574. 



Fossil flora of Bovey Tracey, 453. 



Fossil remains brought by H.R.H. 

 Prince Alfred from South Africa, 583. 



Foster (a. C.) : see Matthiessen (A.), 55. 



Frankland (E.) on combustion in rare- 

 fied air, 137. 



on the influence of atmospheric 



pressure upon some of the phenomena 

 of combustion, 366. 



Fritsch (K.), meteorological investiga- 

 tions, 47. 



Frog, influence of physical agents in the 

 development of the, 532. 



Galago, description of the brain of a, 

 376. 



Gaseous matter, absorption and radia- 

 tion of heat by, 100, 558. 



Gassiot (J. P.) on the heat which is de- 

 veloped at the poles of a voltaic bat- 



tery during the passage of luminous 

 discharges in air and in vacuo, 329. 



Glaciers, on the descent of, 168. 



Gladstone (J. H.), notes on the atmo- 

 spheric lines of the solar spectrum, 

 and on certain spectra of gases, 305. 



Gold-tin aUoys, 433. 



Gompertz (B.), supplement to two pa- 

 pers published in the Philosophical 

 Transactions (1820 and 1825) on the 

 science connected with human mor- 

 tality, 390. 



Gore (G.) on the properties of liquid 

 carbonic acid, 85. 



, preliminary note on the production 



of vibrations and musical sounds by 

 electrolysis, 177. 



on the production of vibrations and 



sounds by electrolysis, 491. 



Graham (T.) on liquid diffusion applied 

 to analysis, 243. 



on liquid transpiration in relation 



to chemical composition, 381. 



Griess (P.) on a new class of organic 

 bases, in which nitrogen is substituted 

 for hydrogen, 263. 



, reproduction of non-nitrogenous 



acids from amidic acids, 266. 



Gyroscope, on the, 40. 



Hand and foot, cutaneous sensibility of, 

 as tested by the galvanic current, 356. 



Harley (R.) on the method of sym- 

 metric products, and on certain circu- 

 lar functions connected with that me- 

 thod, 43. 



Harris (Sir W. S.) on some new pheno- 

 mena of residuary charge, and the law 

 of exploding distance of electrical ac- 

 cumulation on coated glass, 247. 



Heat developed at the poles of a voltaic 

 battery during the passage of lumi- 

 nous discharges in air and in vacuo, on, 

 329. 



, radiation of, by gases and vapours, 



100, 558. 



Heer (O.) on the fossil flora of Bovey 

 Tracey, 453. 



Hicks (J. B.) on the homologies of the 

 eye and of its parts in the Inverte- 

 brata, 81. 



Higginbottom (J.), additional observa- 

 tions and experiments on the influence 

 of physical agents in the development 

 of the tadpole and the frog, 532. 



Hofmann (A. W.), notes of researches 

 on the poly-ammonias : No. XI. iso- 

 merism of diatomic compounds, 271 ; 

 No. XII. action of cyanate of ethyl on 

 urea, 273 j No. XIII. derivatives of the 

 2x2 



