PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



vol. xxviii. No. 193. 



CONTENTS. 



February 6, 1879. 



PAGE 



I. On certain Dimensional Properties of Matter in the Gaseous State. Part I. 

 Experimental Researches on Thermal Transpiration of Oases through 

 Porous Plates, and on the Laws of Transpiration and Impulsion, includ- 

 ing an Experimental Proof that Gas is not a Continuous Plenum. 

 Part II. On an Extension of the Dynamical Theory of Gas which in- 

 cludes the Stresses, Tangential and Normal, caused by a Varying Condi- 

 tion of the Gas, and affords an explanation of the Phenomena of 

 Transpiration and Impulsion. By Osborne Reynolds, F.R.S., Professor 

 of Engineering at Owens College, Manchester 304 



II. Absorption of Gases by Charcoal. Part II. On a new Series of Equiva- 

 lents or Molecules. By R. Angus Smith, Ph.D., F.R.S. . . .322 



February 13, 1879. 



I. Note on the Development of the Olfactory Nerve and Olfactory Organ of 

 Vertebrates. By A. Milnes Marshall, M.A., D.Sc, Fellow of St. 

 John's College, Cambridge 324 



II. On the Development of the Skull and its Nerves in the Green Turtle 

 (Chelone midas), with Remarks on the Segmentation seen in the Skull of 

 various types. By Professor W. K. Parker, F.R.S 329 



III. On an Extension of the Phenomena discovered by Dr. Kerr and described 

 by him under the title of " A New Relation between Electricity and 

 Light." By J. E. H. Gordon, B.A., Assistant Sec. of the British Asso- 

 ciation . . 346 



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