HARPER & BROTHERS _will send any of the following works by mail, postage
prepaid, to any part of the United States, on receipt of the price_.

MOTLEY'S DUTCH REPUBLIC. The Rise of the Dutch Republic. By John Lothrop
Motley, LL.D., D.C.L. With a Portrait of William of Orange. 3 vols.,
8vo, Cloth, $10 50.

MOTLEY'S UNITED NETHERLANDS. History of the United Netherlands: from the
Death of William the Silent to the Twelve Years' Truce--1609. With a
full View of the English-Dutch Struggle against Spain, and of the Origin
and Destruction of the Spanish Armada. By John Lothrop Motley, LL.D.,
D.C.L Portraits. 4 vols., 8vo, Cloth, $14 00.

NAPOLEON'S LIFE OF CAESAR. The History of Julius Caesar. By His Imperial
Majesty Napoleon III. Two Volumes ready. Library Edition, 8vo, Cloth, $3
50 per vol. _Maps to Vols. I. and II. sold separately. Price_ $1 50
_each_, NET.

HAYDN'S DICTIONARY OF DATES, relating to all Ages and Nations. For
Universal Reference. Edited by Benjamin Vincent, Assistant Secretary and
Keeper of the Library of the Royal Institution of Great Britain; and
Revised for the Use of American Readers. 8vo, Cloth, $5 00; Sheep, $6
00.

HARTWIG'S POLAR WORLD. The Polar World: a Popular Description of Man and
Nature in the Arctic and Antarctic Regions of the Globe. By Dr. G.
Hartwig, Author of "The Sea and its Living Wonders," "The Harmonies of
Nature," and "The Tropical World." With Additional Chapters and 163
Illustrations. 8vo, Cloth, Beveled Edges, $3 75.

WALLACE'S MALAY ARCHIPELAGO. The Malay Archipelago: the Land of the
Orang-Utan and the Bird of Paradise. A Narrative of Travel, 1854--1862.
With Studies of Man and Nature. By Alfred Russel Wallace. With Ten Maps
and Fifty-one Elegant Illustrations. Crown 8vo, Cloth, $3 50.

WHYMPER'S ALASKA. Travel and Adventure in the Territory of Alaska,
formerly Russian America--now Ceded to the United States--and in various
other parts of the North Pacific. By Frederick Whymper. With Map and
Illustrations. Crown 8vo, Cloth, $2 50.

ORTON'S ANDES AND THE AMAZON. The Andes and the Amazon; or, Across the
Continent of South America. By James Orton, M.A., Professor of Natural
History in Vassar College, Poughkeepsie, N.Y., and Corresponding Member
of the Academy of Natural Sciences, Philadelphia. With a New Map of
Equatorial America and numerous Illustrations. Crown 8vo, Cloth, $2 00.

WINCHELL'S SKETCHES OF CREATION. Sketches of Creation: a Popular View of
some of the Gra