INDEX 
TO THE 
e 
PHILOSOPHICAL TEANSACTIONS (A) 
FOR THE YEAR 1893. 
A. 
Aberration 'problems, 727 (see Lodge). 
Abney (W. de W.). Transmission of Snnliglit tlirough the Earth’s Atmosphere.—Part II., 1. 
Air temperature and pressure at British Observatories, harmonic analysis of hourly observations of. 
Part I., Temperature, 617 (see Steachet). 
Anchor ring, the potential of an, 43.—Part II., 1041 (see Dyson). 
Atmosphere, transmission of sunlight through the earth’s.—Part II., I (see Abney). 
B. 
Bakerian Lectttee. —The Rate of Explosion in Gases, 97 (see Dixon). 
Bennett (G. T.). On the Residues of Powers of Numbers for any Composite Modulus, Real 
Complex, 189. 
Bottomley (J. T.). On Thermal Radiation in Absolute Measure, 591. 
C. 
Copper and iron, the absolute thermal conductivities of, 569 (see Stewart). 
