— LXYI — 



The Magnetisation of Iioii in Stroiig Fields, — ./. /. Thomson. 

 On the Pasàage of Electiicity trough Hot Gales. 



Id. etc. - n. 181, jime 1890. 



/. e. M. Connel. The Theory of Fog-Bows. — C. Ruìuje. On a Method 

 of Discrirninaling Real from Accidenlal Coincidences between llie 

 Lines of Different SpecLra. — G. Juhnstoue Stouey. On Texluro 

 in Media, and on the Non-exislence of Donsity in the Eleinental 

 Aether. — W. Ostwald. On the Theory of Dropping Eleclrodes. 



— Ward Coldrldge. Electrical and Chemical Propertiers of 

 Stannic Chloride ; logother with the Bearing oftiie Resnlls thc- 

 rein obtained on the Probloms of Electrolytic Conduclion and 

 Chemical Action. — Spencer Umfreville Pikermg. The Theory 

 of Osmalic Pressure and its bearing on the Nature of Solutions 



— F. /. Smith. A Mercury-still for the Rapid Distillation of Mer- 

 cury in a Vacuum. — ('. A. Curus-Wilson. On the Distribution 

 of Flow in a Strained Elastic dolid. — R. Threìfall. On Sensitive 

 Galvanornetcrs. — M. F. Osmond. Consideration on Peimancnt 

 Magnetisme. 



Id. etc. - n. 182, Jiily, 1889. 



A, A. Michelson. On the Application of Interference Methods to A- 

 stronomical Mea^urements. — ./. Broivn. On tlie Electrillcation 

 of the Efl'hivia from chcmical or fi oin Voltale Reactions. — Ray- 

 leigh. On Huygens' s Gearing in illustration of the Induction of 

 Eletric Currents. — /. S'Vtetman A'UtìS. On Relutions between 

 Spetra, with Special Reference to those of Cadmium and Zinc, 

 and a Redertimination of their Wave-lenghls. — J. S. Swectman 

 Asmes ani, W. E. Snmpner. On some Gaseous Spectra : Hydro- 

 geri, Nitrogen. — W. E. Ayrton, T. Mather and \V. E. Sunipìier. 

 Galvanometers. — ■ E. P. Curmjrioclì. On Boltzmann's l<inolic e 

 Theory of Gascs, and on S. W. Thoaison Addross to Section A, 

 Britsh Associalion, 188'r-. — C. W. Hoi/s. Tito Elastic Constants of 

 Ouartz Tiireads. 



Td. ('(<■. Voi. XXX, 11. 183. - London, au^ust 1S90. 



J J. Thonisoìi. Some Experiiucnls oii Ilio Velocity of Transmish.ion 

 of Eletric Disturbances, and tiicir Application lo the Theory of 

 the Striated Dischargc thiough Gases. — W. G. Robson and ò\ 

 W. J. Smith. On the Diitrnal Variatmn of the Magncl al Kimv.- 

 //. Tomliiisoìi. Tlie Effocl of Cliunge nf Ti-niperatuic on Ilio 



