CONTENTS {continued). 



PAGE 



II. Note on Mr. Russell's paper " On certain Geometrical Theorems. No. 2." 



By William Spottiswoode, Pres. R.S 37 



III. On Effects of Retentiveness in the Magnetisation of Iron and Steel. 



(Preliminary Notice.) By J. A. Ewlng, B.Sc, F.R.S.E., Professor of 

 Mechanical Engineering in the University of Tokio .... 39 



IV. On Actinometrical Observations made in India at Mussooree in Autumn 



of 1880, and Summer and Autumn of 1881. By J. B. N. Hennessey, 

 F.R.S., Deputy Superintendent Great Trigonometrical Survey of India 

 (Plate 1) . . . . . . . . . . - ' . . 45 



Y. On the Causes of the Light Border frequently noticed in Photographs 

 just outside the Outline of a Dark Body seen against the Sky ; with 

 some Introductory Remarks on Phosphorescence. By Professor G. G. 



Stokes, Sec. R.S. .63 



June 8, 1882. 



Election of Fellows . . . . . .69 



List of Presents . " 69 



Obituary Notice : — 



Dr. Geoege Bedd. i 



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