NEW YORK

THE MACMILLAN COMPANY

1918

All rights reserved._






Copyright 1907 and 1918

By THE MACMILLAN COMPANY

Set up and electrotyped. Published March, 1907.

Reprinted April, July, 1907; March, 1908; June,

September, 1910; April, 1912; April 1914.

New edition, revised February, 1918.