INDEX TO PART I. 
OF THU 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1880 . 
A. 
Abel (F. A.) and Noble (Captain) (see Noble). 
Ayrton (W. E.) and Perry (,T.) The Contact Theory of Voltaic Action.—No. III., 15. 
B. 
Battery, voltaic, potential of a, deduced from the differences of potential of its constituent parts, 15. 
Brain, comparative structure of, in different animals, 35 (see Lewis). 
C. 
Clark (L.), potential of his standard cell, 25. 
Clarke (G. S.) and M'Leod (H.) (see M'Leod). 
D. 
De La Rue (W.) and Muller (H. W.). Experimental Researches on the Electric Discharge with the 
Chloride of Silver Battery, 65 (for index see p. 115). 
E. 
Electric discharge, 65 (see De La Rtje). 
Ellipsoids of revolution, conduction of heat in, 117. 
English reproduction table (see Farr). 
MDCCCLXXX. 
3 TT 
