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A HISTORY OF INFUSORIA, 



INCLUDING THE 



DESMIDIACEiE AND DIATOMACE.E, BRITISH AND FOREIGN. 



By ANDREW PRITCHARD, Esq., M.R.I., 



Author of the * Microscopic Cabinet/ &c. 



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This work is devoted to a History — based upon the researches of British and 

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Lately published, in 1 vol. 8vo, with Three Plates, price 15s. cloth, 

 EXPERIMENTAL RESEARCHES IN CHEMISTRY AND PHYSICS. 

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