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Biology - Zoology - Michaelis, Gustav Adolph. On the Luminescence of the Baltic Sea Based on the Author’s Own Observations, Along with Some Remarks on This Phenomenon in Other Seas. Foreword by Pfaff. With 2 folded copperplate engravings. Hamburg, Perthes, 1830. 52 pp. 20 x 12 cm. Contemporary half-leather binding. First edition. — Michaelis (1798–1848) provides here, for the first time, proof of the bioluminescence of infusoria. The tiny organism he discovered is named “Perinidium Michaelis.” — Some foxing. *
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