THE OBSERVATORY,

A

MONTHLY REVIEW OF ASTRONOMY.

EDITED BY

A. S. EDDINGTON, M.A., M.Sc., F.R.S.,
F. J. M. STRATTON, M.A.,

H. S. JONES, M.A., B.Sc.

ANFORD LISKARY

VOL. XLI.

LONDON:

TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET.

1918.