Journal of Science volume 7 1877 pages 326-353.
Quartzite Implements at Brandon,
Nature volume 16 1877 page 101.
On the Discovery of Stone Implements in Glacial Drift
in North America, Journal of Science volume 8 1878 pages 55-74.
The Superficial Gravels and Clays around Finchley, Ealing,
and Brentford, Journal of Science volume 8 1878 pages 316-360.
Notes on the Discovery of a Human Skull in the Drift near Denver,
Colorado, Proceedings of the American Association for the
Advancement of Science at St. Louis,
Missouri August 1878 volume 27 (1879) pages 298-299.

[The notes within square brackets have been added to this edition
by the writer of the Introduction. ]

[Title-page of the First Edition.]

THE

NATURALIST IN NICARAGUA

A NARRATIVE OF

A RESIDENCE AT THE GOLD MINES OF CHONTALES;

JOURNEYS IN THE SAVANNAHS AND FORESTS;

With Observations of Animals and Plants in Reference to
the Theory of Evolution of Living Forms.