YOUNG, Professor of Astronomy in the College of New Jersey. 8vo.
viii + 551 pages. Half morocco. Illustrated with over 250 cuts
and and diagrams, and supplemented with the necessary tables.
Mailing price, $2.50; for introduction, $2.25.

In amount, the work has been adjusted as closely as possible to
the prevailing courses of study in our colleges. By omitting the
fine print, a briefer course may be arranged.

The eminence of Professor Young as an original investigator in
astronomy, a lecturer and writer on the subject, and an
instructor of college classes, and his scrupulous care in
preparing this volume, led the publishers to present the work
with the highest confidence; and this confidence has been fully
justified by the event. More than one hundred colleges adopted
the work within a year from its publication, and it is conceded
to be the best astronomical text-book of its grade to be found
anywhere.

Edw. C. Pickering, Prof. of Astronomy, Harvard University:

"I think this work the best of its kind, and admirably adapted to
its purpose."

S.P. Langley, Sec. Smithsonian Inst., Washington, D.C.:

"I know no better book (not to say as good a one) for its
purpose, on the subject."


AN INTRODUCTION TO SPHERICAL AND PRACTICAL ASTRONOMY


By DASCOM GREENE, Professor of Mathematics and Astronomy in the
Rensselaer Polytechnic Institute, Troy, N.Y. NW. Cloth.
Illustrated. viii + 158 pages. Mailing price, $1.60; for
introduction, $1.50.

The book is intended for class-room use and affords such a
preparation as the student needs before entering upon the study
of the larger and more elaborate works on this subject.

The appendix contains an elementary exposition of the method of
least squares.

Daniel Carhart, Act. Prof. Mathematics, Western Univ. of Pa.,
Allegheny, Pa.:

"Professor Greene has supplied that which is needed to make the
usual course in Astronomy in our colleges more practical."

Rodney G. Kimball, Polytechnic Institute, Brooklyn, N.Y.:

"The hasty examination which I have given it has left a very
favorable impression as to its merits as a judicious compound of
the practical work which it professes to cover."


SCHEINER'S ASTRONOMICAL SPECTROSCOPY


Department of Special Publication.--Revised Edition. Translated,
revised and enlarged by E.B. FROST, Professor of Astronomy in
Dartmouth College. 8vo. Half leather. Illustrated. xiii + 482
pages. Price by mail, $5.00; for introdoctiort, $4.75.

This work aims to explain the most practical and modern methods
of research, and to state our present knowledge of the
constitution, physical condition alld motions of the heavenly
bodies, as revealed by the spectroscope.

Edward S. Holden, Director of the Lick Observatory, Mt. Hamilton,
California:

"I congratulate you on the appearance of this very important
book; it is indispensable to all astronomers and students of
spectroscopy."


ELEMENTS OF PLANT ANATOMY


By EMILY L. GREGORY, Professor of Botany in Barnard College. 8vo.
Cloth. viii + 148 pages. Illustrated. Mailing price, $1.35; for
introduction, $1.25.

This book is designed as a text-book for students who have
already some knowledge of general botany. It consists of an
outline of the principal facts of plant anatomy, in a form
available not only for those who wish to specialize in botany but
for all who wish to know the leading facts about the inner
structure of plants. It affords a preparation for the study of
the more intricate and difficult questions of plant anatomy and
physiology, while it is especially adapted to the wants of
students, who need a practical knowledge of plant structure.


ELEMENTS OF STRUCTURAL AND SYSTEMATIC BOTANY


For High Schools and Elementary College Courses. By DOUGLAS H.
CAMPBELL, Professor of Botany in the Leland Stanford Junior
University. 12mo. Cloth. ix + 253 pages. Price by mail, $1.25;
for introduction, $1.12.

The special merit of this book is that it begins with the simple
forms, and follows the order of nature to the complex ones.


PLANT ORGANIZATION


By R. HALSTEAD WARD, formerly Professor of Botany in the
Rensselaer Polytechnic Institute, Troy, N.Y. Quarto. 176 pages.
Illustrated. Flexible boards. Mailing price, 85 cents; for
introduction, 75 cents.


ELEMENTARY METEOROLOGY


By WILLIAM MORRIS DAVIS, Professor of Physical Geography in
Harvard College. With maps and charts. 8vo. Cloth. xi + 355
pages. Mailing price, $2.70; for introduction, $2.50.

This work is believed to be very opportune, since no elementary
work on the subject has been issued for over a quarter of a
century. It represents the modern aspects of the science. It is
adapted to the use of advanced students, and will meet the needs
of members of the National and State Weather Services who wish to
acquaint themselves with something more than methods of
observation.

The essential theories of modern Meteorology are presented in
such form that the student shall perceive their logical
connection, and shall derive from their mastery something of the
intellectual training that comes with the grasp of well-tested
conclusions.

The charts of temperature, pressure, winds, etc., are reduced
from the latest available sources, while the diagrams freely
introduced through the text are for the most part new.

A.W. Greeley, retired Brigadier General U.S.A., and formerly
Chief of Signal Office, Washington:

"A valuable and timely contribution to scientific text-books."

Winslow Upton, Professor of Astronomy, Brown University:

"The best general book on the subject in our language."

Wm. B. Clark, Professor of Geology, Johns Hopkins University:

"An excellent book and of great value to the teacher of
meteorology."

David Todd, Professor of Astronomy, Amherst College:

"Clear, concise, and direct. To teach meteorology with it must be
a delight."


MOLECULES AND THE MOLECULAR THEORY OF MATTER


Department of Special Publioation. By A. D. RISTEEN. 8vo. Cloth.
Illustrated. viii + 223 pages. Retail price, $2.00

This work is a complete popular exposition of the molecular
theory of matter, as it is held by the leading physicists of
today. Considerable space is devoted to the kinetic theory of
gases. Liquids also are discussed, and solids receive much
attention. There is also a division discussing the methods that
have been proposed for finding the sizes of molecules, and here,
as elsewhere throughout the book, the methods described are
illustrated by numerical examples. The last division of the book
touches upon the constitution of molecules. The subject is
everywhere treated from a physical standpoint.



END OF AN INTRODUCTION TO CHEMICAL SCIENCE



INFORMATION ABOUT THIS ELECTRONIC EDITION

The original edition of this text was published by Ginn and
Company, Publishers, Boston, U.S.A. in 1896. The typography was
by J.S. Cushing and Co., Boston and the Presswork was by Ginn
and Co., Boston. The book was "Entered according to Act of
Congress, in the year 1887, by R.P. Williams, in the Office
of the Librarian of Congress, at Washington."

This electronic text was prepared by John Mamoun with help from
numerous other proofreaders, including those associated with
Charles Franks' Distributed Proofreaders website. Thanks to
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N. Harris, K. Peterson, E. Beach, W.M. Maull, M. Beauchamp
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