"The study of Mineralogy, whether it be viewed as tending to increase individual wealth, to improve and multiply arts and manufactures, and thus promote the public good; or as affording a pleasant subject for scientific research, recommends itself to the attention of the citizen and the scholar."-Prof. Cleaveland. AN ELEMENTARY TREATISE ON MINERALOGY: COMPRISING AN INTRODUCTION TO THE SCIENCE; BY WILLIAM PHILLIPS, F.L.S. M.G.S. L. & C. HON. MEMBER OF THE CAMBRIDGE AND YORKSHIRE PHILOSOPHICAL SOCIETIES. FIFTH EDITION, FROM THE FOURTH LONDON EDITION, BY ROBERT ALLAN : CONTAINING THE LATEST DISCOVERIES IN AMERICAN AND FOREIGN MINERALOGY; WITH NUMEROUS ADDITIONS TO THE INTRODUCTION. BY FRANCIS ALGER, MEMBER OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES, OF THE NATIONAL BOSTON : WILLIAM D. TICKNOR & CO. M DCCC XLIV. |