CONTENTS 
Page 
Physiology. — The Basal Katabolism of Cattle and Other Spectes .... 
By Henry Prentiss Armsby, J. August Fries and Win/red Waite Braman 1 
Astronomy. — The Location of the Sun's Magnetic Axis 
By F. H. Seares, A. van Maanen, and F. Ellerman. 4 
Physics. — Resonance and Ionization Potentials for Electrons in Cadmium, 
Zinc, and Potassium Vapors . ... By John T. Tate and Paul D. Foote 9 
Physics. — The Validity of the Equation P = Tdv/dT in Thermo-Electricity 
By Edwin H. Hall 11 
Physics. — On the Equations of the Rectangular Interferometer .... 
By Carl Bar us 13 
Physiology. — The Brain Weight in Relation to the Body Length and 'also 
the Partition of Non-Protein Nitrogen, in the Brain of the Gray 
Snapper (Neomaenis griseus) By Shinkishi Hatdi 19 
Astronomy. — The Rotation and Radial Velocity of the Central Part of the 
Andromeda Nebula By F. G. Pease 21 
