INDEX. 



549 



G-ases, on the viscosity of, at high ex- 

 haustions (Crookes), 446. 



G-eology, notes on physical, No. VII 

 (Haughton), 473. 



Gladstone (J. H.), the refraction equiva- 

 lents of carbon, hydrogen, oxygen, 

 and nitrogen in organic compounds, 

 327 



(W. E.), elected, 301. 



Griass, the electrostatic capacity of (Hop- 



kinson), 148. 

 G-ore (Gr.) electric currents caused by 



liquid diffusion and osmose, 296. 

 experiments on electric osmose, 



253. 



< influence of voltaic currents on 



the diffusion of liquids, 250. 



on the thermo-electric behaviour 



of aqueous solutions with platinum 

 electi-odes, 244. 



phenomena of the capillary electro- 

 scope, 295. 



Grovernment fund (4,000Z.), account of 

 appropriations from the, 111. 



Gfovernment grant (1,000Z.), account of 

 the appropriation of, 110. 



Grant-Duff (Et. Hon. M. E.), elected, 

 360 ; admitted, 416. 



Grrants from the Donation Eund in 1879- 

 80, account of, 110. 



Grravimeters, with special reference to 

 the torsion-gravimeter designed by 

 the late J. Allan Broun, E.Pv.S. 

 (Herschel), 317. 



Gray (Asa) , admitted, 141. 



Hair, on Bacterium decalvans, an organ- 

 ism associated with the destruction of 

 the, in Alopecia areata (Thin), 502. 



Hannay (J. B.) on the limit of the 

 liquid state, 520. 



Harmonic ratios in the spectra of gases, 

 on (Schuster), 337. 



Harmonium reeds, on the influence of 

 temperature on the musical pitch of 

 (EUis), 413. 



Hartley ( W. N.) and A. K. Huntington, 

 researches on the action of organic 

 substances in the ultra-violet rays of 

 the spectrum. Part III. An exami- 

 nation of essential oils, 1. 



Haughton (Rev. S.), notes on physical 

 geology : No. VII. On the secular 

 inequalities in terrestrial climates de- 

 pending on the perihelion longitude 

 and eccentricity of the earth's orbit, 

 473. 



Hay craft (J. B.) upon the cause of the 

 striation of voluntary muscular tissue, 

 360. 



Heat, action of an intermittent beam of 

 VOL. XXX^. 



radiant, upon gaseous matter (Tyndall) , 

 307. 



Heat, further experiments on the action 

 of an intermittent beam of radiant, 

 on gaseous matter. Thermometric 

 measurements (Tyndall), 478. 



Heat, on the effects of, on the chloride, 

 bromide, and iodide of silver, and on 

 some chlorobromiodides of silver, 

 (Rod well), 291. 



Heat conduction in highly rarefied air, 

 on (Crookes), 239. 



Hennessey (J. B. N.) on actinometrical 

 observations made in India at Mus- 

 sooree and Dehra in October and 

 November, 1879, 154. 



Herschel (Major J.) on a simplified form 

 of the torsion-gravimeters of Broun 

 and Babinet, 141. 



on gravimeters, with special refer- 

 ence to the torsion-gravimeter de- 

 signed by the late J. Allan Broun, 

 E.R.S., 317. 



Hicks (W. M.) on toroidal functions, 

 504. 



High power definition, microscopical 

 researches in (Royston-Pigott), 260. 



Holmgren (Frithiof ) , how do the colour- 

 blind see the different colours ? In- 

 troductory remarks, 302. 



Hopkinson (J.), dielectric capacity of 

 liquids, 347. 



the electrostatic capacity of glass, 



143. 



Haematin, account of the artificial pro- 

 duction of the colouring-matters of 

 human urine from. (MacMunn), 206. 



Hughes (D. E.), molecular electro- 

 magnetic induction, 525. 



Hulke (J. W.), Polacanthus Foxii, a 

 large undescribed Dinosaur from the 

 Wealden formation in the Isle of 

 Wight, 336. 



Huntington (A. K.) and W. N. Hartley, 

 researches on the action of organic 

 substances on the ultra-violet rays of 

 the spectrum : Part III. An exami- 

 nation of essential oils, 1. 



Ice, preliminary note on the existence 

 of, in the solid state at a temperature 

 above its ordinary melting point, 

 (Carnelley), 284. 



Immature ovarian ovum, note to the 

 paper on the structure of the, in the 

 common fowl and in the rabbit 

 (Schafer), 282. 



Induction, molecular electro-magnetic 

 (Hughes), 525. 



Influence of altitude on respiration, 

 experiments on the (Marcet), 418. 



Intermittent beam of radiant heat, 



2q 



