OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES. NEW SERIES. VOL. IX. WHOLE SERIES. VOL. XVII. FROM JUNE, 1881, TO JUNE, 1882. SELECTED FROM THE RECORDS. BOSTON: UNIVERSITY PRESS: JOHN WILSON AND SON. 1882. CONTENTS. I. Contributions from the Chemical Laboratory of Harvard College. V. Crystalline Form of Cryolite. By W. H. MELVILLE. VI. Researches on the Complex Inorganic Acids. Phospho-molyb Contributions to North American Botany. BY ASA GRAY |