VI CONTENTS. 



Page 

 Mr. William Symons on a New Form of the Gas Battery 15 



Mr. James Thomson on certain curious Motions observable on the Surfaces 

 of Wine and other Alcohohc Liquors 16 



Professor W. Thomson on the Effects of Mechanical Strain on the Thermo- 



Electric Qualities of Metals 17 



■ on the Use of ObseiTations of Terrestrial Temperature 



for the investigation of Absolute Dates in Geology 18 



• on the Electric Qualities of Magnetized Iron 19 



— — on the Thermo-Electric Position of Aliiminium 20 



■^— — — on Peristaltic Induction of Electric Currents in Sub- 

 marine Telegraph Wires 21 



: on New Instruments for Measuring Electrical Poten- 

 tials and Capacities 22 



Mr. John T. Towson on the Means proposed by the Liverpool Compass 

 Committee for carrying out Investigations relative to the Laws which govern 

 the Deviation of the Compass 22 



Professor Tyndall's Experimental Demonstration of the Polarity of Dia- 

 magnetic Bodies 22 



Mr. WiLDMAN Whitehouse's Experimental Observations on an Electric 

 Gable 23 



Mr. C. Greville Williams on the New Maximum Thermometer of H. 

 Negretti and Zambra 24 



Astronomy, Meteors, Waves. 



Astronomer Broun on the Establishment of a Magnetic Meteorological and 

 Astronomical Observatory on the Mountain of Augusta MuUay, at 6200 feet, 

 in Travancore 25 



Mr. W. S. Jacob on certain Anomalies presented by the Binary Star 70 

 Ophiuchi 25 



Professor Mossotti on the Calculation of an Observed Eclipse or Oecultation 



of a Star 26 



Professor Nichol's Remarks on the Chronology of the Formations of the 



Moon 28 



Professor C. Piazzi Smyth's Note on Solar Refraction 29 



on Altitude Observations at Sea 29 



on the Transmission of Time Signals 29 



Meteorology. 



Mr. Alexander Brown on the Fall of Rain at Aibroath 30 



Dr. Georoe Buist on remarkable Hailstorms in India, from March 1851 to 



May 1855 31 



Professor Chevallier on a Rainbow seen after Sunset 38 



Professor Connell's Improvements on a Dew-point Hygrometer lately 



described by the Author 38 



Captain FitzRoy's Wind-charts of the Atlantic, compiled from Maury's 



Pilot Charts 39 



Mr. M. J. Johnson on the Detection and Measurement of Atmospheric 



Electricity by the Photo-Barograph and Thermograph 40 



Mr. E. J. Lowe on the Force of the Wind in July and August 1855, as taken 

 by the "Atmospheric Recorder" at the Beeston Observatory , 40 



