20 MAY 1899, Page 25

The Tides Simply Explained. By the Rev. J. H. S.

.Moxly. (Rivingtons. 5s.)—Mr. Moxly questions the conclusions arrived at by Professor Darwin in the work lately reviewed in the Spectator (April 30th), and before him by Sir G. Airy, Lord Kelvin, and Sir R. BalL We cannot act as judges in such a matter, but must refer our readers to Mr. Moxly's pages if they want to see the arguments he puts forward. But surely it is a little strong to say of a state- ment by an eminent mathematician and physicist (that vertical force cannot make the water move sideways) that it is "one of the most unphilosophical and one of the most unfounded that has appeared in the writings of a distinguished man of science since modern science began to exist."