THE HELP THAT HARMS.

THE HOPI INDIANS OF ARIZONA.

REFORM OF PUBLIC CHARITY.

CHRISTIAN SCIENCE FROM A PHYSICIAN'S POINT OF VIEW.

THE WHEAT LANDS OF CANADA.

BEST METHODS OF TAXATION.

BACON'S IDOLS: A COMMENTARY.

MATHEMATICS FOR CHILDREN.

PRESENT POSITION OF SOCIOLOGY.

A FEATHERED PARASITE.

THE COLUMBUS MEETING OF THE AMERICAN ASSOCIATION.

SKETCH OF DR. WILLIAM PEPPER.

Correspondence. "DO ANIMALS REASON?"

Editor's Table. EDUCATION AND CHARACTER-BUILDING.

Scientific Literature. SPECIAL BOOKS.

Fragments of Science.

INDEX.

FOOTNOTES:

Transcriber's Notes:

Established by Edward L. Youmans

APPLETONS'
POPULAR SCIENCE
MONTHLY

EDITED BY
WILLIAM JAY YOUMANS

VOL. LV
MAY TO OCTOBER, 1899

NEW YORK
D. APPLETON AND COMPANY
1899

Copyright, 1899,
By D. APPLETON AND COMPANY.

APPLETONS' POPULAR SCIENCE MONTHLY.

OCTOBER, 1899.