CONTENTS. 
(A) 
VOL. 185.—PAET IT. 
X. Bakerian Lecture.— On the Relations between the Viscosity [Internal Friction) 
of Liquids and their Chemical Nature. By T. E. Thorpe, F.R.S., and J. W. 
BodgeR, Assoc. R.C.S. . page 397 
XL Preliminary Report on the Results ohtcdned ivith the Prismatic Cameras diiring 
the Total Ecliqose of the Sun, April 16, 1893. By J. Norman Lockyer, C.B., 
F.R.S . 711 
XII. A Dynamiccd Theory of the Electric and Luminiferous Medium. By Joseph 
Larmor, F.R.S., Felloiv of St. John’s College, Cambridge . 719 
XIII. On the Reflection and Refraction of Light. By G. A. Schott, B.A. (Camb.), 
B.Sc. [Lond.], formerly Scholar of Trinity Colleg<\ Cambridge. Communi¬ 
cated by B. T. Glazebrook, M.A., F.R.S. . . . . . 823 
XIY. An Instrument for Grinding Section-qdates and, Prisms of Crystcds of Artificial 
Preparations Accurately in the Desired Directions. By A. E. Tutton, Assoc. 
R.C.S., Demonstrator of Chemistry at the Roycd College of Science, South 
Kensington. Communicated by Professor Thorpe, F.R.S. . 887 
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