CONTENTS (continued). 



December 19, 1878. 



PAGE 



I. Note of an Experiment on the Spectrum of the Electric Discharge. By 



the Hon. Sir W. R. G-rove, D.C.L., V.P.R.S 181 



II. On the Precession of a Viscous Spheroid, and on the Remote History of 

 the Earth. By G-eoege H. Daewin, M.A., Fellow of Trinity Col- 

 lege, Cambridge . . . . . . . • . . . 184 



III. Problems connected with the Tides of a Viscous Spheroid. By Or. H. 



Darwin, M.A., Eellow of Trinity College, Cambridge . - . . 194 



IV. On the Influence of Light upon Protoplasm. By Aethtje Downes, 



M.D., and Thomas P. Blunt, M.A. Oxon 199 



V. Note on the Influence exercised by Light on Organic Infusions. By 

 John Tyndall, D.C.L., F.R.S., Professor of Natural Philosophy in 

 the Royal Institution 212 



VI. On the Structure and Development of the Skull in the Lacertilia. 

 Part I. On the Skull of the Common Lizards (Laeerta agilis, L. vi- 

 ridis, and Zootoca vivipara). By W. K. Parker, F.R.S. . . . 214 



VII. On the Chemical Composition of Aleurone Grains. By Sydney H. 

 Vines, B.A., B.Sc, E.L.S., Fellow and Lecturer of Christ's College, 

 Cambridge 218 



VIII. Report on Phyto-Palaeontological Investigations generally and on those 

 relating to the Eocene Flora of Great Britain in particular. By Dr. 

 Constantin Baron Ettingshausen, Professor in the University of 

 Graz, Austria ........... 221 



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