INDEX TO PART IL 
OF THE 
PHILOSOPHICAL TRANSACTIONS (A) 
FOR THE YEAR 1894. 
A. 
Arc spectrum of electrolytic iron, on the photogTaphic, 984 (see Lockyek). 
H. 
Bakerian Lecture. —On the Relations between the Viscosity (Internal Friction) of Liquids and the 
Chemical Natui'e (see Thorpe and Eodgej{). 
Bessemer process, the spectroscopic phenomena and thermo-chemistry of the, 1041 (see Hart ley). 
C. 
Carbon dioxide, on the specific heat of, at constant volume, 943 (see Joly). 
Carbon dioxide, the specific heat of, as a function of temperature, 961 (see Joly). 
Crystals, an instrument of precision for producing monochi’omatic light of any desired wave-length, and 
its use in the investigation of the optical properties of, 913 (see Tutton). 
Crystals of artificial p)reparations, an instrument for grinding section-plates and prisms of, 887 (see 
Tutton). 
F. 
Dynamical theory of the electric and luminiferous medium, a, 719 (see Lar.tior). 
