THE MESSENGER OF MATHEMATICS.

CAMBRIDGE:

PRINTED BY W. METCALFE AND SON, GREEN STREET.

THE

MESSENGER OF MATHEMATICS,

EDITED BY

W. ALLEN WHITWORTH, M.A.,

FELLOW OF ST. JOHN'S COLLEGE, CAMBRIDGE.

C. TAYLOR, M.A.,

FELLOW OF ST. JOHN'S COLLEGE, CAMBRIDGE,

R. PENDLEBURY, M.A.,

FELLOW OF ST. JOHN'S COLLEGE, CAMBRIDGE.

J. W. L. GLAISHER, M.A., F.R.A.S.,

FELLOW OF TRINITY COLLEGE, CAMBRIDGE.

N.S.

VOL. III.

MACMILLAN AND CO.,
London and Cambridge.

EDINBURGH: EDMONSTON & DOUGLAS. GLASGOW: JAMES MACLEHOSE.
DUBLIN: HODGES, FOSTER & CO. OXFORD: JOHN HENRY AND J. PARKER.

1874.