MODERN SCIENCE, 
Edited by SIR JOHN LUBBOCK, Bart., M.P. 
I. 
THE CAUSE OF AN ICE AGE. 
By SIR ROBERT BALL, LL.D., F.R.S., 
Royal Astronomer of Ireland. 
II. 
THE HORSE: 
A Study in Natural History. 
By WILLIAM HENRY FLOWER, O.B., 
Director of the British Natural History Museum. 
III. 
THE OAK: 
A Popular Introduction to Forest-Botany. 
By H. MARSHALL WARD, F.R.S., F.L.S. 
BY: 
LAWS AND PROPERTIES OF MATTER. 
By R. T. GLAZEBROOK, F.R.S., 
Fellow of Trinity College, Cambridge. 
London : KEGAN PAUL, TRENCH, TRUBNER & CO. Lrp. 
