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Nature

A WEEKLY

ILLUSTRATED JOURNAL OF SCIENCE

A WEEKLY

ILLUSTRATED JOURNAL OF SCIENCE

VOLUME XXXVI
MAY 1887 to OCTOBER 1887

To the solid ground
Of Nature trusts the mind which builds for aye."—WORDSWORTH

** London and New York
MACMILLAN AND CO.

1887

RICHARD CLAY AND Sons, LONDON AND BUNGAY.

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