IN D E X 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOE THE YEAR 1879. 
A. 
Alcohols , absorption of ultra-violet l’ays by, 262. 
Arragonite, experimental examination of double refraction in, 287 (see Glazebkook). 
B. 
Bakerian Lecture, 135 (see Crookes). 
Benzene nucleus, absorption of ultra-violet rays by substances containing tbe, 268. 
Biaxal crystal, double refraction in, 287 (see Glazebkook). 
; 
C. 
Crookes (W.). Contributions to Molecular Physics in High Vacua.—Magnetic Deflection of Molecular 
Trajectory.—Laws of Magnetic Rotation in High and Low Vacua.—Phosphorogenic Properties of 
Molecular Discharge, 641 (for contents see p. 641). 
Crookes (W.). On Repulsion resulting from Radiation.—Part VI., 87 (for contents see p. 87). 
Crookes (W.). Tbe Bakerian Lecture. On the Illumination of the Lines of Molecular Pressure, and 
the Trajectory of Molecules, 135 (for contents see p. 135). 
Croonlan Lecture, 595 (see Parker). 
D. 
Darwin (G. H.). On the Bodily Tides of Viscous and Semi-elastic Spheroids, and on the Ocean Tides 
upon a Yielding Nucleus, 1.—The bodily tides of viscous and elastico-viscous spheroids, 2; a tidal 
yielding of the earth’s mass, and the canal-theory of tides, 22; summary and conclusions, 27; 
appendix, on the observed height and phase of the fortnightly oceanic tide, 31. 
MDCCCLXXIX. 5 Q 
