THE

POPULAR SCIENCE

MONTHLY.

EDITED BY WILLIAM JAY YOUMANS.

VOL. XLIV.

NOVEMBER, 1893, TO APRIL, 1894.

NEW YORK:

D. APPLETON AND COMPANY,

1, 3, AND 5 BOND STREET.

1894.

L. SOC. 120.46

COPYRIGHT, 1894,

BY D. APPLETON AND COMPANY.

OCT 19 1893

PEABODY MUSEUM.