OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES. NEW SERIES. VOL. XXI. WHOLE SERIES. VOL. XXIX. FROM MAY, 1893, TO MAY, 1894. SELECTED FROM THE RECORDS. BOSTON: UNIVERSITY PRESS: JOHN WILSON AND SON 1894. CONTENTS. II. A Revision of the Atomic Weight of Barium. Second Paper: The Analysis of Baric Chloride. BY THEODORe William III. New Genera and Species of Laboulbeniacea, with a Synopsis IV. On the Formation of Volatile Compounds of Arsenic from Arsenical Wall Papers. BY CHARLES ROBERT SANGER. 112 V. On Chronic Arsenical Poisoning from Wall Papers and Fabrics. |