[ ] 
VIL On the Thichiess and Electrical Resistance of Thin Licj[uid Films. By A. AV. 
Heinold, M.A., F.R.S., Professor of Physics in the Royal JSfavcd College, 
Greenwich, and A. W. Eucker, M.A., F.R.S., Professor of Physics in the 
Royal College of Science, London . .page 505 
VIII. On the Measurement of the Magnetic Properties of Iron. By Thomas Gray, 
B.Sc., F.R.S.E, Communicated hy Lord Kelvin, P.R.S .531 
IX. On the Composition of Water hy Volume. By Alexander Scott, M.A., D.Sc., 
Jacksonian Demonstrator in the University of Cambridge. Communicated hy 
Lord Eayleigh, Sec.R.S. .543 
X. The Absolute Thermal Conductivities of Iron and Copper. By E. Wallace 
Stewart, B.Sc. {Bond.), Assistant Lecturer and Demonstrator in Physics, 
University College, Bangor. Communicated hy Lord Kelvin, P.R.S. . 569 
XL On Thermal Radiation in Absolute Measure. By J. T. Bottomley, M.A., 
D.Sc.,F.R.S. . 591 
XII. Harmonic Analysis of Hourly Ohseiwations of Air Temperature and Pressure 
at British Observatories. —Part I. Temperature. By Lieut.-General E. 
Strachey, F.R.S., Chairman of the Meteorological Council .617 
XIII. The Variation of Molecular Surface-Energy ivith Temperature. By William 
Eamsaa", F.R.S., and John Shields, D.Sc., Ph.D .647 
XIV. On the Photographic Spectra of some of the Brighter Stars. By J. Norman 
Lockyer, F.R.S .675 
XV. Aberration Problems.—A Discussion concerning the Motion of the Ether near 
the Earth, and concerning the Connexion between Ether and Gross Matter; 
ivith some new Experiments. By Oliver J. Lodge, F.R.S .727 
XVI. On the Results of an Examination of the Orientations of a number of Greek 
Tempdes ivith a view to connect these Angles with the Amplitudes of certain 
Stars at the time the Temples were founded, and an endeavour to derive there¬ 
from the Dates of their Foundation by consideration of the Changes piroduced 
upon the Right Ascension and DecliiKition of the Stars by the Precession of 
the Equinoxes. By F. 0. Penrose, F.R.A.S., Architect. Communicated by 
Professor J. Norman Lockyer, F.R.S. .805 
