CONTENTS OF VOL. XXXIV. FOURTH SERIES. Vll 



Page 

 Mr. G. Maw on the White Clays of the Lower Tertiaries. 402 

 Mr. S. V. Wood, Jun., on the Postglacial Structure of the 



South-east of England 402 



Investigations on the Influence of Heat on the Mechanical Force 



of Frogs' Muscle, by M. Chmoulevitch 403 



On the Intensity of the Solar Radiation, by M. J. L. Soret . . 404 

 On System in Mineralogical Nomenclature, by J. D. Dana . . 407 



NUMBER CCXXXII.— DECEMBER. 



Prof. A. de la Rive on Michael Faraday, his Life and Works. . 409 

 Dr. W. M. Watts on the Spectrum of the Bessemer-flame. 



(With a Plate.) .... , 437 



Dr. C. Collingwood on a Horizontal Rainbow observed at Sea. 



(With a Plate.) 440 



Chief Justice Cockle on the Conversion of Integrals 442 



Mr. J. K. Laughton on the Natural Forces that produce the 



Permanent and Periodic Winds .. . . 443 



Mr. J. Croll on certain Hypothetical Elements in the Theory of 

 Gravitation and generally received conceptions regarding the 



Constitution of Matter 449 



Mr. J. J. Sylvester's Thoughts on Inverse Orthogonal Matrices, 

 Simultaneous Sign-successions, and Tessellated Pavements in 



two or more colours 461 



Mr. C. H. Bennington's Description of a New Photometer . . 475 

 Notices respecting New Books : — Prof.W. A. Norton's Treatise 



on Astronomy, Spherical and Physical 477 



Proceedings of the Geological Society : — 



Mr. A. Tylor on the Amiens Gravel 479 



Mr. St; V. Wood and the Rev. J. L. Rome on the Glacial 

 and Postglacial Structure of Lincolnshire and South-east 



Yorkshire 480 



Mr. N.Whitley on Glacial Markings in theValley of the Exe 481 

 Mr. A. B. Wynne on Disturbance of the Level of the Land 



near Youghal 481 



On the Passage of Projectiles through Resisting Media, by M. 



Melsens 481 



On Phosphorescent Light, by Dr. Kindt in Bremen . 484 



On the Influence of various Coloured Rays on the Decomposition 



of Carbonic Acid in Plants, by M. Cailletet 485 



On the Interference-colours of Radiant Heat, by H. Knoblauch. 487 



NUMBER CCXXXIII.— SUPPLEMENT. 



Prof. R. Bunsen on the Temperature of the Flames of Carbonic 

 Oxide and Hydrogen. (With a Plate.) 489 



