

[ 525 ] 



INDEX 



TO THE 



PHILOSOPHICAL TRANSACTIONS, 



SERIES A, 



FOR THE YEAR 1898 (VOL. 191). 



A. 



Absorption, Change of, produced by Fluorescence (BuBKE), 87. 



Aneroid Barometers, Experiments on. Elastic After-effect; Secular Change; Influence of Temperature (CiiliEE), 441. 



B. 



Bolometer, Surface, Construction of (PBTAVBL), 501. 



Brilliancy, Intrinsic, Law of Variation of, with Temperature (PETAVEL), 501. 



BUBKE (JOHN). On the Change of Absorption produced by Fluorescence, 87. 



C. 



CHKBK (C.). Experiments on Aneroid Barometers at Kew Observatory, and their Discussion, 441. 

 Correlation and Variation, Influence of Random Selection on (PiiABSON and FILON), 229. 

 Crystals, Thermal Expansion Coefficients, by an Interference Method (Tui'TON), 313. 



D. 



Differential Equations of the Second Order, &c., Memoir on the Integration of; Characteristic Invariant of (FoKSVTH), 1. 



