�Vol. XX VL] ( I^ovember, 1884. [No. L
��POPULAR SCIEKCE MONTHLY.
��CONDUCTED BY E. L. AND W. J. YOUMANS.
CONTENTS. „,„„
I. The Relations between the Mind and the Nervous System. By
William A. Hammond, M. D 1
II. German Testimony on the Classics Question. By F. A. Fernald. 20
. III. Origin of the Synthetic Philosophy. By Herbert Spencer . . 30
IV. The Future of the Negro in the South. By J. B. Craighead. 39
V. Pending Problems of Astronomy. By Professor C. A. Young. 46
VI. Drowning the Torrent in Vegetation. By S. W. Powell 67
VII. What is Electricity ? By Professor John Trowbridge 76
VIII. Chilian Volcanoes, Active and Extinct. By Dr. Karl Ochsenius. 88
IX. The Chemistry of Cookery. By W. Mattieu Williams 91
X. Domestic Arts in Damaraland. By Rev. C. G. Buttner 99
XI. Old Customs of Lawlessness. By Herr M. Kulischer 105
XII. The Oil-Supply of the World. 1 108
XIII. Sketch of Professor James Hall. (With Portrait.) 120
XIV. Editor's Table : The American Association at Philadelphia. — Harrison,
Comte, and Spencer. — Is the Contrast valid ? • • • . 124
XV. Literary Notices 128
XVL Popular Miscellany 138
XVIL Notes 143
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