MODERN SCIENCE SERIES.
New York: D. Appleton & Co., 1, 3, & 5 Bond St.
Edited by Sir JOHN LUBBOCK, Bart., M. P.
I. The Cause of an Ice Age.
By Sir Robert Ball, LL. D., F.R.S.
II. The Horse:
A Study in Natural History,
By William Henry Flower, C. B.,
Director of the British Natural History Museum.
III. The Oak:
A Popular Introduction to Forest Botany.
By H. Marshall Ward, F.R.S.
In press:
IV. The Laws and Properties of Matter.
By R. T. Glazebrook, F.R.S., Fellow of Trinity College, Cambridge.
New York: D. Appleton & Co., 1, 3, & 5 Bond St.