VI CONTENTS. 



Page 

 Mr. J. J. Waterston's Observations on the Density of Saturated Vapours and 

 their Liquids at the Point of Transition 11 



■ on a Law of Mutual Dependence between Temperature 



and Mechanical Force 11 



Astronomy, Sea Currents, Depth of Sea. 



Dr. George Buist on the Currents of the Indian Seas 12 



Mr. James Nasmyth on Drawings of the Moon 14 



Professor Phillips on Photographs of the Moon 14 



Rev. William Scoresby on the Surface Temperature and Great Currents of 

 the North Atlantic and Northern Oceans 18 



on Deep-Sea Soundings and Errors therein from 



Strata-Currents, with Suggestions for their investigation 22 



Meteorology. 



Mr. W. J. MACauoRN Rankine on a proposed Barometric Pendulum for the 

 Registration of the Mean Atmospheric Pressm-e during long Periods of Time 26 



Mr. William Gray on a Concentric Iris, as seen from the ridge of Snowdon, 

 near the summit, on the morning of the liJth of June 1853, about an hour 

 after sunrise, projected upon the clouds floating along the sides of the Moun- 

 tain 26 



Mr. William Lawton on the Meteorology of Hull 27 



Rev. T. Rankin's Meteorological Summary for 1852 of Observations at 

 Huggate, Yorkshire 32 



;— Continuation, across the Country, of the Thunder and 



Ram Storm, which commenced in Herefordshire on September 4th, and ter- 

 minated on the Yorkshire Wolds on September 5th, 1852 32 



■ Notice of a terrific Thunder-Cloud on the Wokls, Septem- 

 ber 26th, 1852 32 



Mr. R. Russell on the Action of the Winds which veer from the South-West 

 to West, and North- West to North 32 



Mr. J. K. Watts on Parhelia observed at St. Ives 33 



Mr. John Welsh on the Graduation of Standard Thermometers at the Kew 

 Observatory 34 



Strength of Materials. 



Professor Eaton Hodgkinson on the Elasticity of Stone and CrystalUne 

 Bodies 36 



Trigonometrical Survey. 



Sii- John Burgovne on the progress made in the Publication of the Trigo- 

 nometrical Survey 37 



