Vlll CONTENTS OF VOL. XXXVIII. FOURTH SERIES. 



Page 

 Proceedings of the Geological Society : — 



M. F. Ruschhaupe on the Salt-mines of St. Domingo ". . 465 

 Messrs, S. Wood, Jun., and F. W. Harmer on a peculiar 



instance of Intraglacial Erosion near Norwich 466 



Mr. E. J. Beor on the Lignite-mines of Podnernuovo .... 466 

 Mr. T. C. Wallbridge on the Geology and Mineralogy of 



Hastings County, Canada West 466 



Mr. J. W. Flower on the distribution of Flint Implements 



in the Drift , 467 



On the Extension of Liquids upon each other, by R. Ludtge. . 468 

 On the Measurement of the Electrical Conductivity of Liquids 

 hitherto supposed to be Insulators, by Thomas T. P. Bruce 



Warren 470 



On the Freezing-point of Water containing dissolved Gases, 



and on the Regelation of Water, by C. Schultz 4/1 



Disturbances of Respiration, Circulation, and of the Production 

 of Heat at great heights on Mont Blanc, by M. Lortet .... 472 



Index 476 



PLATES. 



I. Illustrative of Dr. H. M. Watts's Paper on the Spectra of Carbon. 



II. Illustrative of Dr. H. Henvig's Investigations on the Conformity of 

 Vapours to Mariotte and Gay-Lussac's Law. 



III. Illustrative of Prof. A. Kenngott's Microscopical Investigation of thin 

 polished Laminae of the Knyahynia Meteorite, and M. Abich's 

 Paper on Hailstorms in Russian Georgia. 



