TXDEX. 



XXXI 



Roberts (W. R. W.) on the Abelian 

 system of differential equations, and 

 their rational and integral algebraic 

 integrals, with a discussion of the 

 periodicity of Abelian functions, 301. 



Romanes (George John), obituary 

 notice of, vii. 



Royal Society, the trusts of the (Evans), 

 202. 



Rubies of Burma and associated 

 minerals, the, their mode of occur- 

 rence, origin, and metamorphoses 

 (Brown and Judd), 387. 



Rxicker (A. W.) elected an auditor, 1. 



Sap, on the ascent of (Dixon and Joly), 3. 



Schunck (E.) and L. Marchlewski, con- 

 tributions to the chemistry of chloro- 

 phyll. No. VI, 314. 



Schuster (A.) and W. Q-annon, a deter- 

 mination of the specific heat of water 

 in terms of the international electric 

 units, 25. 



Scott (D. H.) and W. C. Williamson, 

 further observations on the organisa- 

 tion of the fossil plants of the coal- 

 measures. Part 1L The roots of 

 Catamites, 1. 



Sensory nerves, experiments upon the 

 influence of, upon movement and 

 nutrition of the limbs. Preliminary 

 communication (Mott), 481. 



Sherrington (C. S.) and F. W. Mott, 

 experiments upon the influence of 

 sensory nerves upon movement and 

 nutrition of the limbs. Preliminary 

 communication, 481. 



Skew variation in homogeneous mate- 

 rial (Pearson), 257. 



Solutions, on the absorption spectra of 

 dilute (Ewan), 117. 



Specific heat of water in terms of the 

 international electric units, a deter- 

 mination of the (Schuster and 

 Q-annon), 25. 



Spectra, observations of sun-spot, 1879 

 1894 (Lockyer), 199. 



of argon, on the (Crookes), 287. 



of dilute solutions, on the absorp- 

 tion (Ewan), 117. 



of gases, Maxwell's theorem of 



the equal partition of energy among 

 the degrees of freedom of atoms not 

 inconsistent with the various internal 

 movements exhibited by the (Fitz- 

 gerald), 312. 



of oxygen and nitrogen, a possible 



explanation of the two-fold (Baly), 

 468. 



Spectrum, spark, of argon as it appears 

 in the spark spectrum of air, on the 

 (Hartley), 293. 



! Spectrum of argon, note on the (Newall) , 

 346. 



of 7- Cassiopeia?, on the photo- 

 graphic (Lockyer), 173. 



Statistical inquiries into the measurable 

 characteristics of plants and animals, 

 report of the Committee for con- 

 ducting, 360 ; Remarks on variation 

 in animals and plants, to accompany 

 the first report of the Committee 

 (Weldon), 379. 



Steel and iron, on the yield point of, 

 and the effect of repeated straining 

 and annealing (Tin win), 178. 



at welding temperatures 



(Wrightson), 351. 



Sun, note on the temperature of the 

 (Wilson and Gray), 32 (Title only). 



Sun-spot spectra, 1879 1894, observa- 

 tions of (Lockyer), 199. 



Thames water, on the conditions affect- 

 ing bacterial life in (Frankland), 

 489. 



Trust funds, 60. 



Trusts of the Royal Society, the (Evans), 

 202. 



Tutton (A. E.) an instrument for cut- 

 ting, grinding, and polishing section- 

 plates and prisms of mineral or other 

 crystals accurately in the desired 

 directions, 324. 



Unwin (W. C.) on the yield point of 

 iron and steel and the effect of re- 

 peated straining and annealing, 178. 



Variation, the effect, of environment on 

 the development of echinoderm larvse, 

 an experimental inquiry into the 

 causes of (Vernon), 382. 



in animals and plants, remarks on 



(Weldon), 379. 



Vegetable assimilation and respiration, 

 experimental researches on. No. 1. 

 On a new method for investigating 

 the carbonic acid exchanges of plants, 

 162. No. 2. On the paths of gaseous 

 exchange between aerial leaves and 

 the atmosphere (Blackman), 165. 



Vernon (H. M.) the effect of environ- 

 ment on the development of echino- 

 derm larvee : an experimental inquiry 

 into the causes of variation, 382. 



Vice-Presidents, appointment of, 162. 



Water, a determination of the specific 

 heat of, in terms of the international 

 electric units (Schuster and Gannon), 

 25. 



the latent heat of evaporation of 



(Griffiths), 212. 



