vi contents. 



Astronomy, Meteors, Waves. 



Page 



Professor Chevaxlier on the Tides of Nova Scotia 23 



Mr. Richard Greene's Working Model of a Machine for polishing Specula 

 for Reflecting Telescopes and Lenses 24 



Professor Hennessy on the Physical Structiu-e of the Eai-th 26 



Dr. Edward Htncks on the Eclipse of the Sun mentioned in the First Book 

 of Herodotus 27 



Mr. J. C. Maxwell on an Instrument to illustrate Poinsot's Theory of 

 Rotation 27 



Professor Plazzi Smyth on the Constancy of Solar Radiation 28 



Professor G. Johnstone Stoney on a Collimator for completing the Adjiist- 

 ments of Reflecting Telescopes 30 



Mr. J. Symons on Phtenomena recently discovered in the Moon 31 



Rev. W. Whewell on the reasons for describing the Moon's Motion as a 

 Motion about her axis 31 



Meteorology. 

 Mr. Thomas Dob son on the Causes of Great Inundations 31 



on the Balaklava Tempest, and the Mode of Interpreting 



Barometrical Fluctuations 36 



Mr. Welsh on a Model of a Self-Registering Anemometer. Designed and 

 Constructed by R. Beckley, of Kew Observatory 38 



Mr. R. Garner on a remarkable Hail-Storm in North Stafibrdshire. With • 

 some Casts of the Hailstones 39 



Professor Hennessy on Isothermal Lines 39 



on an Instrument for observing Vertical CmTents in the 



Atmosphere 40 



Dr. John Lee on Negretti and Zambra's Mercurial ^Minimum Thermometer. . 40 



Mr. John Phillips on a New Method of making Maximum Self-Registering 

 Thermometers 41 



Mr. Henry Poole's Observations with the Aneroid M^talliqiie and Thermo- 

 meter, during a Tour through Palestine, and along the shores of the Dead 

 Sea, October and November 1855 41 



Rev. C. Pritchard on a Meteor seen at Cheltenham on Friday, August 8th . . 47 



Rev. T. Rankin's Continuation of Meteorological Observations for 1855, at 

 Huggate, Yorkshire 47 



Mr. B. Stewart ou a Thennometer for Measuring Fluctuations of Tempera- 

 ture. Communicated and described by IVIi-. Welsh 47 



Mr. E. Vivian on the Climate of Torquay and South Devon 48 



Mr. J. Welsh's Instructions for the Graduation of Boiling-point Thermo- 

 meters, intended for the Measurement of Heights 49 



Captain Woodall on Barometrical and Themiometrical Observations at Scar- 

 borough 49 



CHEMISTRY. 



Dr. Thomas Anderson on the Composition of Parafline from different sources 49 



Professor Brodie on a new combination of Carbon, Ox3'gen and Hydrogen, 

 formed by the Oxidation of Graphite ; and on the Appearance of Carbon 

 xmder the Microscope 50 



