Copyright, 1899,
By D. APPLETON AND COMPANY.

Vol. LIV.Established by Edward L. Youmans.No. 1.

APPLETONS'
POPULAR SCIENCE
MONTHLY.

NOVEMBER, 1898.

EDITED BY WILLIAM JAY YOUMANS.

[CONTENTS.]

PAGE
I.[Was Middle America Peopled from Asia? By Prof. E. S. Morse.][1]
II.[The Possible Fiber Industries of the United States. By Charles Richards Dodge. (Illustrated.)][15]
III.[What is Social Evolution? By Herbert Spencer.][35]
IV.[The Torrents of Switzerland. By Edgar R. Dawson, M. E.][46]
V.[The Evolution of Colonies. V. Political Evolution. By J. Collier.][52]
VI.[Architectural Forms in Nature. By F. S. Dellenbaugh. (Illus.)][63]
VII.[The Herds of the Yellow Ant. By James Weir, Jr., M. D. (Illus.)][75]
VIII.[Two Gifts to French Science. By M. Henri de Parville. (Illus.)][81]
IX.[The Mongoose in Jamaica. By C. W. Willis. (Illustrated.)][86]
X.[The Cause of Rain. By J. R. Plumandon.][89]
XI.[Dream and Reality. By M. Camille Melinand.][96]
XII.[A Practical Dutch Charity. By Prof. J. Howard Gore.][103]
XIII.[Sketch of Frank Wigglesworth Clarke. (With Portrait.)][110]
XIV.[Correspondence: The Moon and the Weather.][118]
XV.[Editor's Table: The Goal of Education.—A Doubtful Appendix to Science.—The Cause of Spain's Decadence.—Dream and Reality.][118]
XVI.[Scientific Literature.][126]
XVII.[Fragments of Science.][135]

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