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CONTENTS 



Original Papers 



Paca 

 Physics. — Some peculiar thermoelectric effects. Paul D. Foote and 



T. R. Harrison 545 



Geology and Mineralogy. — Pyrolusite from Virginia. Thomas L. Watson 



and Edgar T. Wherrt 550 



Abstracts 



Botany 561 



Phytopathology 562 



Technology 566 



Proceedings 



Washington Academy of Sciences 567 



Scientific Notes and News 568 



