CONTENTS. 
PART I. 
I. On the Tides of the Arctic Seas. By the Rev. Samuel Haughton, M.D. Dahl., 
D.C.L. Oxon, F.R.S., Fellow of Trinity College, Dublin .— Part VII. Tides of 
Port Kennedy, in Bellot Strait. {Final Discussion.) page 1 
II. Electrostatic Capacity of Glass. By J. Hopkinson, D.Sc., M.A. Communicated 
by Sir William Thomson, F.R.S. 17 
III. On the Structure and Development of Vascular Dentine. By Charles S. Tomes, 
M.A. Communicated by John Tomes, F.R.S. 25 
IV. On the Normal Paraffins . — Part II. By C. Schorlemmer, F.R.S., Professor of 
Organic Chemistry in the Owens College, Manchester 49 
V. Experimental Researches on the Electric Discharge with the Chloride of Silver 
Battery. By Warren De La Rue, M.A., D.C.L. , F.R.S., and Hugo 
W. Muller, Ph.D., F.R.S . — Part I. The Discharge at Ordinary Atmospheric 
Pressures 55 
VI. On the Tides at Malta. By Sir G. B. Airy, K.C.B., F.R.S., Astronomer 
Royal 123 
VII. Report on the Total Solar Eclipse of April 6, 1875. By J. N. Lockyer, F.R.S., 
and Arthur Schuster, Ph.D., F.R.A.S. 139 
VIII. Experimental Researches on the Electric Discharge with the Chloride of Silver 
Battery. By Warren He La Rue, M.A., D.C.L., F.R.S., and Hugo 
W. Muller, Ph.D., F.R.S . — Part II. The Discharge in ExhoMsted Tubes 155 
IX. The Bakerian Lecture. — On Repulsion resulting from Radiation . — Part V. 
By William Crookes, F.R.S., V.P.C.S. 243 
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