CONTENTS — (continued ). 



January 30, 1896. 



PAGE 



I. On the Rhythmic Contractility of the Spleen. Preliminary Notice. 



By E. A. Schafer, F.R.S., and B. Moore 229 



II. The Electrical Measurement of Starlight. Observations made at the 

 Observatory of Daramona House, co. Westmeath, in January, 1896. 

 Second Report. By Professor Gt. M. Minchin. M.A.., F.R.S. . . 231 



III. Contributions to the Chemistry of Chlorophyll. No. VII. Phyllopor- 

 phyrin and Hsematoporphyrin : a Comparison. By Edward Schunck, 



F.R.S., and Leon March lewskt, Ph.B 233 



List of Presents 236 



An Enquiry into the Nature of the Vesicating Constituent of Croton Oil. By 

 Windham R. Dunstan, M.A., F.R.S., and Lucy Everest Boole, 

 F.I.C., Lecturer on Chemistry in the London School of Medicine for 

 Women .237 



Obituary Notices : — 



Hermann von Helmholtz xvii 



Sir James Cockle (with Portrait) xxx 



