's views
upon the general subject indicated in the title.

D. APPLETON AND COMPANY, NEW YORK.

* * * * *

PIONEERS OF SCIENCE IN AMERICA.
Sketches of their Lives and Scientific Work.
Edited and revised by WILLIAM JAY YOUMANS, M.D.
With Portraits. 8vo, Cloth, $4.00.

Impelled solely by an enthusiastic love of Nature, and
neither asking nor receiving outside aid, these early
workers opened the way and initiated the movement through
which American science has reached its present commanding
position. This book gives some account of these men, their
early struggles, their scientific labors, and, whenever
possible, something of their personal characteristics. This
information, often very difficult to obtain, has been
collected from a great variety of sources, with the utmost
care to secure accuracy. It is presented in a series of
sketches, some fifty in all, each with a single exception
accompanied with a well-authenticated portrait.

"Fills a place that needed filling, and is likely to be
widely read."--_N.Y. Sun_.

"It is certainly a useful and convenient volume, and
readable too, if we judge correctly of the degree of
accuracy of the whole by critical examination of those cases
in which our own knowledge enables us to form an opinion....
In general, it seems to us that the handy volume is
specially to be commended for setting in just historical
perspective many of the earlier scientists who are neither
very generally nor very well known."--_New York Evening
Post_.

"A wonderfully interesting volume. Many a young man will
find it fascinating. The compilation of the book is a work
well done, well worth the doing."--_Philadelphia Press_.

"One of the most valuable books which we have
received."--_Boston Advertiser_.

"A book of no little educational value.... An extremely
valuable work of reference."--_Boston Beacon_.

"A valuable handbook for those whose work runs on these same
lines, and is likely to prove of lasting interest to those
for whom '_les documents humain_' are second only to history
in importance--nay, are a vital part of history."--_Boston
Transcript_.

"A biographical history of science in America, noteworthy
for its completeness and scope.... All of the sketch