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Notices of several pharmaceutical substances recently received 



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On the light and heavy varieties of Carbonated and Calcined 



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Perley (M. H.). Catalogue (in part) of the Fishes of New Brunswick 

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Pernet (J.). Hermann von Helmholtz : ein Nachruf. (Xeujahr- 

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Perottet (S.). Flora Senegambire. See Guillemin (J. B. A.). 



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Perrier (E.). Echinodermes. See ' Travailleur.' 

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Perrin (G. S.). lieport upon the Southern Saw-Mills and Reserva- 

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