[ii]
McM&Co
MACMILLAN AND CO., Limited
LONDON · BOMBAY · CALCUTTA · MADRAS
MELBOURNE
THE MACMILLAN COMPANY
NEW YORK · BOSTON · CHICAGO
DALLAS · SAN FRANCISCO
THE MACMILLAN CO. OF CANADA, Ltd.
TORONTO
[iii]
CAMBRIDGE PAPERS
BY
W.W. ROUSE BALL
FELLOW OF TRINITY COLLEGE, CAMBRIDGE.
MACMILLAN ANDCO., LIMITED
STMARTIN’S STREET, LONDON
1918
[All rights reserved]
