CONTENTS 



Original Papers 



PAGE 



Radio-telegraphy. — Condenser losses at high frequencies. L. W. Austin.. . . 143 



Physics.— The magnetic rotation and ellipticity for massive metaL mirrors. 

 Paul D. Foote 145 



Thermodynamics. — The reheat factor in steam turbine design. E. Buck- 

 ingham '. 147 



Mineralogy. — Cuprodescloizite from California. Waldemar T. Schaller 149 



Crystallized variscite from Utah. Waldemar T. Schaller 150 



Chemical composition of the French phosphorite minerals. Waldemar 

 T. Schaller ' : 151 



Abstracts 



Meteorology 152 



Electricity 153 



Agricultural physics 154 



Agricultural chemistry ' 154 



Geology 157 



Agriculture 161 



Forestry 161 



Helminthology 162 



Conchology 163 



Fisheries 164 



Ethnology 165 



References 166 



