[ ] 
V. On the Mathematical Theory of Errors of Juihjment, ivith Special Reference to 
the Personal Equation. By Karl Pearsox, F.R.S., University College, 
London . 235 
VI. On the pear-shaped Figure of Equilihrium of a Rotating Mass of Liquid. By 
G. H. Darwin, F.R.S., Plumian Professor and Fellow of Trinity College, 
Cambridge . 301 
VII. Sur la Stabilite de VFquilibre des Figures Pyrifornies affectees par nne Masse 
Fluide en Rotation. By H. Poixcare, Foreign Member R.S . 333 
VIII. Toted Eclipse of the Sun, May 28, 1900. Account of the Observations made 
by the Solar Physics Observatory Eclipse Expedition and the Officers and 
j\[en of Ld.M.S. “ Theseus,^' at Santa Pola, Spain. By Sir Normax 
Lockyer, K.C.B., F.R.S., and others . 375 
IX. Bakerian Lecture. —On the Law of the Pressure of Gases between 75 and 
IbO iMillimetrcs of Mercury. By Lord JiAnijEian, F.R.S. . ... 417 
X. A Determination of the Vedue of the Earth’s Magnetic Field in Lnternational 
Units, and a Comparison of the Results with the Vedues given by the Kew 
Observatory Slomdard Lnstruments. By William AVatsox, A.R.C.S., B.Sc., 
F.R.S., Assistant Professor of Physics at the Royed College of Science, 
London . 431 
XL The Density and Coefficient of Cubical Exq^answn of Lee. By J. IT. Vixcext, 
D.Sc., B.A., St. John’s College, Cambridge. Communicated by Professor 
J. J. Thomsox, F.R.S .463 
Index to Volume 
483 
