INDEX. 



xix 



the thickness of the earth's crust 

 from a geological point of view ; and 

 on the primary cause of volcanic 

 action, 117. 



Pritchard (O), researches in stellar 

 photogi'aphy. 1. In its relation to 

 the photometry of the stars ; 2. Its 

 applicability to astronomical measure- 

 ments of great precision, 195. 



Proteids in the seed, on the changes in 

 the, which accompany germination 

 (Green), 466. 



Quincke (G.) , addendum to ' Note on 

 specific inductive capacity ' (Hopkin- 

 son), — Notiz fiber die Dielectricitats- 

 constante von Fliissigkeiten, 458. 



Rayleigh (Lord) on the intensity of 

 light reflected from certain surfaces 

 at nearly perpendicular incidence,, 

 275. 



Reid (E. W.) and A. Waller on the 

 action of the excised mammalian 

 heart, 461. 



Roy (C. S.), J. G. Brown, and C. S. 

 Sherrington, preliminary report on the 

 pathology of Cholera Asiatica (as 

 observed in Spain, 1885), 173. 



Saturation and imbibition, on under- 

 ground temperatures ; with observa- 

 tions on the thermal effects of (Prest- 

 wich), 1. 



Scharff (R.) on the intra-ovarian egg 



of some osseous fishes, 447. 

 Schunck (E.), contributions to the 



chemistry of chlorophyll. No. II, 



465. 



Seed, on the changes in the proteids in 

 the, which accompany germination 

 (Green), 466. 



Sherrington (C. S.), C. S. Roy, and J. 

 Gr. Brown, preliminary report on the 

 pathology of Cholera Asiatica (as 

 observed'in Spain, 1885), 173. 



Specific heats of minerals, on the ( Joly) , 

 250. 



inductive capacity, note on (Hop- 



kinson), 453. 



■ addendum (Quincke), 458. 



Spectroscope, note on a new form of 



direct vision (Liveing and Dewar), 



449. 



Spurge (C), on the effect of polish on 



the reflexion of light from the surface 

 of Iceland spar, 463. 



Stellar photography, researches in 

 (Pritchard), 195. 



e Stereoscope,' note on a paper entitled 

 ' on a new form of (Stroh), 274. 



Stroh (A.), note on a paper entitled 

 ' On a new form of stereoscope,' 274. 



Sun, preliminary account of the observa- 

 tions of the eclipse of the, at Grenada 

 in August, 1886 (Darwin), 469. 



Temperature, on the practical measure- 

 ments of (Callendar), 231. 



Thurlow (Lord), admitted, 248. 



Thylacoleo carnifex, Ow., additional 

 evidence of the affinities of the 

 extinct marsupial quadruped (Owen), 

 317. 



Tides of long period, on the dynamical 

 theory of the (Darwin) , 337. 



Tomlinson (H.), the coefficient of vis- 

 cosity of air. Appendix, 315. 



Trust funds, 391. 



Underground temperatures, on, with 

 observations on the conductivity of 

 rocks, on the thermal effects of satura- 

 tion and imbibition, and on a special 

 source of heat in mountain ranges 

 (Prestwich), 1. 



Vice-Presidents appointed, 442. 



Viscosity of air, the coefficient of. 

 Appendix (Tomlinson), 3 15. 



Volcanic eruptions, on the agency of 

 water in ; with some observations on 

 the thickness of the earth's crust 

 from a geological point of view ; and 

 on the primary cause of volcanic 

 action (Prestwich), 117. 



Voltaic action, a theory of (Brown), 

 294. 



Volumetric determination of carbonic 

 acid, an instrument for the speedy 

 (Marcet), 181. 



Waller (A.) and E. W. Reid on the 



action of the excised mammalian 



heart, 461. 

 Ward (H. M.) on the structure and 



life-history of Entyloma Ranunculi 



(Bonorden), 318. 

 Water in volcanic eruptions, on the 



agency of (Prestwich), 117. 



END OF FORTY-FIRST VOLUME. 



HAEEISON AND SONS, PBINTEES IN OEDINAEY TO HEE MAJESTY, ST. MAETIN's LANE, 



