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Vol. I, No. 19. November 6, 1880. 



CONTENTS. 



American Society of Microscopists (Edit.) ; Law According to which the Metals and their Ores Come to, or Near to, the Surface of the 

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 by W. H. Davis; New Speci'S of Mollusca and Fchinoderms; A Poisonous Product of Fermented Indian Corn ; A Phylloxera 

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