VI 



INDEX. 



the pyramidal system in the mesen- 

 cephalon and bulb (Boyce), 305. 



Brearley (J. H. D.), J. B. Allen, and 

 R. Threlfall, researches on the elec- 

 trical properties of pure substances. 

 No. I. The electrical properties of 

 pure sulphur, 32. 



Breathing, on the different forms of 

 (Marcet), 307. (Title only.) 



Buchanan (J. Y.) on rapid variations of 

 atmospheric temperature, especially 

 during Fohn, and the methods of 

 observing them, 108. 



Callendar (Hugh Longbourne) elected, 

 130. 



admitted, .162. 



Candidates for, election, list of, 1. 



Cardew (P.) note on the possibility of 

 obtaining a unidirectional current to 

 earth from the mains of an alternating 

 current system, 99. 



on an instrument for indicating 



and .measuring difference of phase 

 between E.M.F. and current in any 

 alternating current system, 250. 



and Major Bagnold, on the differ- 

 ence of potential that may be estab- 

 lished at the surface of the ground 

 immediately above and at various 

 distances from a buried mass of metal 

 charged from a high pressure electric 

 light supply, 252. 



Cerebellum, degenerations consequent 

 on experimental lesions of the 

 (Russell), 303. 



Cheyne (William Watson) elected, 130. 



admitted, 162. 



Chree (C.) the stresses and strains in 

 isotropic elastic solid ellipsoids in 

 equilibrium under bodily forces de- 

 rivable from a potential of the second 

 degree, 26. 



Clark (Frederick Le Gros) obituary 

 notice of, i. 



Clowes (F.) the composition of atmo- 

 spheres which extinguish flame, 2. 



Colour produced by contrast, measure- 

 ment of (Abney), 221. 



Congruences, on the singular solutions 

 of simultaneous ordinary differential 

 equations and the theory of (Dixon), 

 277. 



Copper, measurements of the absolute 

 specific resistance of pure electrolytic 

 (Swan and Rhodin), 64. 

 on determining the thermal con- 

 ductivity of (Gray), 199. 

 Curves, the differential covariants of 

 twisted, with some illustrations of 

 the application to quartic curves 

 (Gwyther), 272. 



Cynodontia, on new (Seeley), 291. 



Davison (C.) on the Leicester earthquake 

 of August 4, 1893, 19. 



Delepine (S.) and A. Ransome, on the 

 influence of certain natural agents on 

 the virulence of the tubercle-bacillus, 

 51. 



"Differential covariants of twisted curves, 

 the, with some illustrations of the 

 application to quartic curves (Gwy- 

 ther), 272. 



equations and the theory of con- 



gruencies, on the singular solutions of 

 simultaneous ordinary (Dixon), 277. 



Dixon (A. C.) on the singular solutions 

 of simultaneous ordinary differential 

 equations and the theory of congruen- 

 cies, 277. 



Earthquake of August 4, 1893, on tlis 

 Leicester (Davison), 19. 



Eclipse of the sun, April ] 6, 1893, pre- 

 liminary report on the results obtained 

 with the prismatic camera during the 

 total (Lcckyer), 7. 



report on results obtained 



with the slit spectroscopes (Hills), 

 20. 



Edgeworth (F. Y.) the asymmetrical 

 probability curve, 271. 



Election of Fellows, 1. 



Electric arc, the rotation of the (Trot- 

 ter), 262. 



light supply, on the difference of 



potential that may be established in 

 connexion with a high pressure (Car- 

 dew and Bagnold), 252. 



strength of mixtures of nitrogen 



and hydrogen, the (Fawcett), 263. 



Electrical current to earth from the 

 mains of an alternating current sys- 

 tem, note on the possibility of obtain- 

 ing a unidirectional (Cardew), 99. 



properties of pure substances, re- 

 searches on the. No. 1. Pure sulphur 

 (Threlfall, Brearley, and Allfn), 32. 



Electrification of air, on the (Kelvin and 

 Maclean), 84. 



Electromotive force and current in any 

 alternating current system, on an 

 instrument for indicating and measur- 

 ing difference of phase between 

 (Cardew), 250. 



Ellipsoids in equilibrium, the stresses 

 and strains in isotropic elastic solid 

 (Chree), 26. 



Esters, the molecular surface-energy of 

 the, showing its variation with chem- 

 ical constitution (Ramsay and Aston), 

 162. 



