CONTENTS 



Original Papers 



Page 



Mineralogy. — The crystallography of variscite. W. T. Schaller 143 



New manganese phosphates from the gem tourmaline field of Southern 



California. W. T. Schaller , 143 



Phytopathology. — An external dry rot of potato tubers caused by Fusarium 



trichothecioides Wollenw. C. O. Jamieson and H. W. Wollenweber. . . 146 



Abstracts 



Meteorology 153 



Physics 154 



Geochemistry 155 



Chemistry 157 



Hydrology 158 



Geology 159 



Botany i 162. 



Proceedings 



Washington Academy of Sciences 163 



Philosophical Society 165 



Chemical Society 166 



