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CONTENTS 



Origin Ai, Papers Page 



Mathematics. — On the correlation between two functions and its application to the 



general case of spurious correlation. Lowell J. Reed 449 



Physics. — ^The discontinuity of resistance preceding supraconductivity. P. W. 



Brddgman 455 



Petrology. — The granites of Washington. Henry S. Washington 459 



Abstracts 



Geology " 470 



Geography and Hydrology 471 



Paleontology 471 



Proceedings 



Washington Academy of Sciences 472 



Botanical Society 473 



Scientific Notes and News , ' 476 



OFFICERS OF THE ACADEMY 



President: Alfred H. Brooks, Geological Survey. 

 Corresponding Secretary: Robert B. Sosman, Geophysical Laboratory. 

 Recording Secretary: William R. Maxon, National Museum. 

 Treasurer: R. L. Faris, Coast and Geodetic Survey. 



