OF NATURAL PHILOSOPHY FOR THE USE OF SCHOOLS AND ACADEMIES. EDITED FROM GANOT'S POPULAR PHYSICS, BY WILLIAM G. PECK, LL.D., PROFESSOR OF MATHEMATICS AND ASTRONOMY, COLUMBIA COLLEGE, AND OF NATIONAL ERIES A. S. BARNES & CO., NEW YORK AND CHICAGO. OF STANDARD TEXTS IN THE SCIENCES. I.-NORTON'S FIRST BOOK IN PHILOSOPHY...$1 00 PECK'S GANOT'S NATURAL PHILOSOPHY.. 1 75 II.-PORTER'S FIRST BOOK IN CHEMISTRY.... 1 00 PORTER'S PRINCIPLES OF CHEMISTRY.... 2 00 III.-JARVIS' PRIMARY PHYSIOLOGY 75 JARVIS' PHYSIOL. AND LAWS OF HEALTH.. 1 75 IV.-WOOD'S OBJECT LESSONS IN BOTANY..... 1 40 WOOD'S CLASS-BOOK OF BOTANY 3 50 V.-STEELE'S 14 WEEKS IN ASTRONOMY...... 1 50 VI.-PAGE'S ELEMENTS OF GEOLOGY...... 1 25 VII.-CHAMBERS' ELEMENTS OF ZOOLOGY............ .......... 1 50 THESE STANDARD WORKS ARE FOR SALE BY ALL BOOKSELLERS, Or may be procured from the Publishers by Mail, postpaid, on receipt of price. A. S. BARNES & CO., NEW YORK. Entered according to Act of Congress, in the year 1860, BY WILLIAM G. PECK, In the Clerk's Office of the United States District Court for the Southern District of New York. TILDEN LIBRARY 895 PREFACE. THE rapid spread of scientific knowledge, and the continually widening field of its application to the useful arts, have created an increased demand for new and improved text-books on the various branches of NATURAL PHILOSOPHY. Of the elementary works that have appeared within a few years, those of M. GANOT stand preeminent, not only as popular treatises, but as thoroughly scientific expositions of the principles of PHYSICS. His "Traité de Physique" has not only met with unprecedented success in France, but has been extensively used in the preparation of the best works on Physics that have been issued from the American press. In addition to the "Traité de Physique," which is intended for the use of Colleges and higher institutions of learning, M. GANOT has recently published a more elementary work, adapted to the use of schools and academies, in which he has faithfully preserved the prominent features and all the scientific accuracy of the larger work. It is characterized by a well-balanced |