CONTENTS. 
PART II. 
X. Effects of Stress and Magnetisation on the Thermoelectric Quality of Iron. By 
Professor J. A. Ewing, B.Sc., F.R.S.E., University College, Dundee. Com¬ 
municated by Sir William Thomson, F.R.S . page 361 
XL On the Sympathetic Vibrations of Jets. By Chichester A. Bell, M. B. Com¬ 
municated by Professor A. W. Williamson, F.R.S. . 383 
XII. The Bakerian Lecture. — Colour Photometry. By Captain Abney, R.E., 
F.R.S., and Major-General Festing, R.E . 423 
XIII. The Solar Spectrum, from A. 7150 to \ 10,000. By Captain Abney, R.E., 
F.R.S . ..457 
XIV. Description of Fossil Remains of Two Species of a Megalanian Genus 
(Meiolania) from “ Lord Howe's IslandBy Sir Richard Owen, K.C.B., 
F.R.S., Ac ... 471 
XV. On Systems of Circles and Spheres. By R. Lachlan, B.A., Fellow of Trinity 
College, Cambridge. Communicated by A. Cayley, LL.D., F.R.S., Sadlerian 
Professor of Mathematics in the University of Cambridge . 481 
XYI. On the Relation between the Thickness and the Surface Tension of liquid Films. 
By A. W. Reinold, M.A., F.R.S., Professor of Physics in the Royal Naval 
College, Greenwich, and A. W. Rucker, M.A., F.R.S . 627 
XYTI. On the Blood- Vessels of Mustelus Antarcticus: a Contribution to the Morphology 
of the Vascular System in the Vertebrata. By T. Jeffery Parker, B.Sc. Lond., 
C.M.Z.S., Professor of Biology in the University of Otago. Communicated by 
Professor M. Foster, M.D., Sec. R.S. .. 685 
