vi 



March 17, 1887. 



Page 



A Coal-dust Explosion. By W. Galloway 174 



Second Note on the Geometrical Construction of the Cell of the Honey 

 Bee (< Eoy. Soc. Proc.,' vol. 39, p. 253, and vol. 41, p. 442). By Prof. 

 H. Hennessy, F.E.S 176 



The Embryology of Monotremata and Marsupialia. Part I. By 

 W. H. Caldwell, M.A., Fellow of Gonville and Caius College, Cam- 

 bridge 177 



On the Total Solar Eclipse of August 29 ; 1886 (Preliminary Account). 

 By Arthur Schuster, F.E.S 180 



List of Presents '. 182 



Contributions to the Chemistry of Chlorophyll. No. II. By Edward 

 Schunck, F.E.S. (Plate 1) 184 



March 24, 1887. 



Preliminary Note on the " Eadio-micrometer," a New Instrument for 

 measuring the most Feeble Eadiation. By C. V. Boys, Demonstrator 

 of Physics at the Science Schools, South Kensington 189 



Note to a Memoir on the Theory of Mathematical Form (' Phil. Trans.,' 

 1886 (vol. 177), p. 1). By A. B. Kempe, M.A., F.E.S 193 



On Ellipsoidal Current Sheets. By Horace Lamb, M.A., F.E.S., Pro- 

 fessor of Pure Mathematics in the Owens College, Victoria Uni- 

 versity 196 



On the Magnetisation of Iron in Strong Fields. By Professor J. A. 

 Ewing, B.Sc, F.E.S.E., University College, Dundee, and Mr. William 

 Low (Plate 2) 200 



List of Presents 210 



March 31, 1887. 



Note on the Development of Voltaic Electricity by Atmospheric Oxida- 

 tion. By C. E. Alder Wright, D.Sc, F.E.S.', Lecturer on Chemistry 

 and Physics, and C. Thompson, F.C.S., Demonstrator of Chemistry, in 

 St. Mary's Hospital Medical School 212 



Clausius's Formula for the Change of State from Liquid to Gas applied 

 to Messrs. Eamsay and Young's Observations on Alcohol. By Geo. 

 Fras. Fitzgerald, M.A., F.T.C.D., F.E.S., Erasmus Smith's Professor 

 of Natural and Experimental Philosophy in £he University of 

 Dublin 216 



The Influence of Stress and Strain on the Physical Properties of Matter. 

 Part III. Magnetic Induction. By Herbert Tomlinson, B.A 224 



Note on a New Constituent of Blood Serum. By L. C. Wooldridge, 

 M.D., D.Sc, Eesearch Scholar to the Grocers' Company 230 



