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Backlund 0, Sur les term. hyperölem. dans la th6orie des perturb. 629. 



— Etudes Sur le catal. stellaire „Pos. moy. de 3542 etoii. , red. ä 

 l'epoque 1855,0 St. Petersburg 1886". 53—77. 



— Remarques complöm. pour les etudes sur ce catal. 182—85. 



— et Seraphimolf B, Elem. et eph. appr. de la comete Encke pour 

 1888. 467—72. 



Bonsdorf, Sur la determ. d. coust. d. l'öllips. de la terre au moyen 



de mesures geod. 377 — 83. 

 Charlier, Sur la formation des courauts metöor. par la desaggreg. d. 



cometes. 383—402. 

 Hasselberg, Sur une m6th. de det. avec une grande exact. la distance 



focale d'un syst. d. lent. p. l. div. ray. d. 1. lumiere. 412 — 33. 

 Nyren, Sur l'aberration d. etoiles fixes. 402—12. 

 Rykatscheff, Du max. d. temp. avant midi en mer sous les tro- 



piques. 89. 



Wild, Sur reifet du trembl. de terre du 23 fevr. 1887 ä Pawlowsk. 11-13. 



— Photometre de polar, p. 1. usages tcchu. et son emploi ä 1. v6rif. 

 d. lampes ä gas d. Wenham. 193—218. 



London, Royal Society. Proceedings. Yol.XLV. No. 270-79. 



Gore G, Eelative Amounts of Voltaic Energy of Electrolytes. 268. 

 Thomson J J, The Eesistance of Electrolytes to the Passage of very 



rapidly alternating Gurren ts. 269. * 

 Lookyer J N, Note on the Spectrum of the Rings of Saturn. 315. 

 Hopkinson J, Magnetisation of Iron at High Temperatures. 318. 

 Lockyer J N, On the Spectra of Meteor-swarms (Group III). 380. 

 Thomson P, On the Magnetic Action of Displacement-currents in a 



Dielictric. 392. 



Hugglns W, On the Wave-length of the principal Line in the Spectrum 



of the Aurora. 430. 

 Gore G, Relative Amounts of Yoltaic Energy of dissolved Ghemical 



Compounds. 442. 

 Rayleigh, Free Vibrations of an infinitely long Gylindrical Shell. 443. 

 Smith F J, Ghange of the Velocity in the Propagation of the Ignition 



of an Explosive Gaseous Mixture in closed and open Yessels. 



Part I. Chronographie Measurements. 451. 

 Bipwell S, On an Effect of Light upon Magnetism. 453. 

 Hopkinson J, Recalescence of Iron. 455. 



Hopkinson J, Electrical Resistance of Iron at a High Temperature. 457. 

 Schuster A and Lamb H, The Diurnal Yariation of Terrestrial Mag- 

 netism. 481. 



Thorpe T E, On the Magnetic Inclination, Force, and Declination in 



the Garibee Islands, West Indies. 538. 

 Sankey H R, Experiments on the Resistance of Electrolytic Gells. 541. 

 Rücker A W and Thorpe T E, A Magnetic Survey of the Britisch 



Isles for the Epoch January 1, 1886. 546. 

 Darwin G H, Seeon d Series of Results of the Harmonie Analysis of 



Tidal Observations. 556. • * 



