INDEX 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1885. 
A. 
Actinice, chroma tology of, 641 (see Mac Munn). 
Aiet (G. B.). Results deduced from the Measures of Terrestrial Magnetic Force in the Horizontal 
Plane, at the Royal Observatory, Greenwich, from 1841 to 1876, 679. 
Alkaloids, absorption spectra of, 471 (see Hartley). 
B. 
BOWES (F. O.). On the Development and Morphology of Plujlloglossum Drummondii, 665. 
Calculating Machines, continuous, theory of, 367 (see Shaw). 
Carbon Bisulphide, magnetic rotation of light in, 343 (see RayLEigH). 
Chromatology of Actinice, 641 (see Mac Mens). 
Clark cell, as a standard of electro-motive force, 781 (see Rayleigh). 
Crookes (W.). On Radiant Matter Spectroscopy,—Part II. Samarium, 691. 
