THE INTELLECTUAL OBSERVER REVIEW OF NATURAL HISTORY MICROSCOPIC RESEARCH AND RECREATIVE SCIENCE VOLUME IX. ILLUSTRATED WITH PLATES IN COLOURS AND TINTS, AND NUMEROUS CONTENTS, MARINE TELEGRAPHY. BY RICHARD BITHELL, B.SC., Pí.D. TRUFFELS AND MORELS. By the Rev. M. T. BERKELEY, M.A., F.L.S. RESULTS OF METEOROLOGICAL OBSERVATIONS MADE AT THE KEW OBSER- STRATIFIED DISCHARGES IN VACUUM TUBES. With a Coloured Plate ... |