CONTENTS OF VOL. XLIV. FOURTH SERIES. VU 



Page 

 Dr. W. Marcet on the Nutrition of Muscular and Pulmonary- 

 Tissues in Health and when affected with disease from Phthisis. 443 



MM. Jamin and Richard on the Laws of Cooling 457 



Mr. J. Dewar on the Specific Heat of Carbon at High Tempe- 

 ratures 461 



Notices respecting New Books : — 



Mr. F. A. Ranken's Strains in Trusses computed by means 



of diagrams 467 



Proceedings of the Royal Society : — 



Mr. R. Mallet on Volcanic Energy : an attempt to deve- 



lope its true Origin and Cosmical Relations 468 



SirB. C. Brodie on the Action of Electricity on Gases . . 470 

 Proceedings of the Geological Society : — 



Mr. R. Daintree on the Geology of the Colony of Queens- 

 land 474 



On the Collision of Elastic Bodies, and a numerical valuation 



of its duration, by H. Schneebeli 476 



On the Spectrum of the Aurora, by Edward I. Holden 478 



Continuation of the observations relative to the presence of 

 Magnesium in the Chromosphere of the Sun, by M. Tacchini. 479 



NUMBER CCXCVf.— SUPPLEMENT. 



M. H. Weber on the Heat-conducting power of Iron and Ger- 

 man Silver. (With a Plate.) 481 



Mr. J. W. L. Glaisher on some early Logarithmic Tables .... 500 



Dr. E. J. Mills on Elective Attraction 506 



Mr. A. S. Davis on Recurrent Vision 526 



M. Helmholtz on the Theory of Electrodynamics 530 



Proceedings of the Royal Society : — 



Mr. A. Schuster on the Spectrum of Nitrogen 537 



Proceedings of the Geological Society : — 



Mr. S. J. Whitnell on Atolls or Lagoon-islands 541 



Mr. J. R. Dakyns on the Glacial Phenomena of the York- 

 shire Uplands 54] 



Mr. D. Mackintosh on a Sea-coast Section of Boulder-clay 



in Cheshire 542 



The Rev.W, Bleasdell on Modern Glacial Action in Canada. 542 

 The Rev. O. Fisher on the Phosphatic Nodules of the Cre- 

 taceous Rock of Cambridgeshire 543 



On the Absorption of Ozone by Water, by L. Cams 544 



On the Heat of Expansion of Solid Bodies, by hi. Buff 544 



Experiments on Collision M'ith Balls of different Metals, by H. 

 Schneebeli 54g 



Index 549 



