INDEX 
TO THE 
PHILOSOPHICAL TEAKSACTIONS 
FOR THE YEAR 1859. 
A. 
Amalgams^ conductibility of, for heat, 831. 
Amphistegina, 30. 
Antimony, on the properties of eleetro-deposited, 797. 
Arc of Meridian in India, 759, 791 (see Pratt). 
Atomic weight of graphite, 249. 
B. 
Bladdea', nature of the involuntary muscular tissue of the, 469. 
Brodie (Professor B. C.). On the Atomic Weight of Graphite, 249. 
Buckton (G. B.). On the Isolation of the Organo-Metals, Mercuric, Stannic, and Plumbic Ethyls ; and 
Observations on some of their Derivatives. Second Memoir, 417.— Mercuric ethyl, 417 > stannic 
diethyl, 423 ; plumbic diethyl, 430 ; diplumbic triethyl, 432. 
Bunsen (Professor R.) and Roscoe (Dr. H. E.). Photo-chemical Researches. Part IV., 879.— Com- 
parative and absolute measurement of the chemical rays, 880; chemical action of diffuse daylight, 
891 ; chemical action of the direct sunlight, 905 ; the photo-chemical action of the sim compared 
with that of a terrestrial source of light, 920; chemical action of the constituent parts of solar 
light, 923. 
C. 
Carbon, atomic weight of, as graphite, 249. 
Carbonic acid evolved in respiration, 681, 715 (see Smith). 
6 F 2 
