CONTENTS 



Original Papers 



PAGE 



Meteorology. — The amount and vertical distribution of water vapor on clear 1 

 days. W. J. Humphreys * 



Oceanography. — The new Coast and Geodetic Survey tide predicting machine. 



E. G. Fischer 1 



Note on the composition of sea water. F. W. Clarke and George Steiger . 4 



Radio-telegraphy. — High spark frequency in radio-telegraphy. L. W. Austin. 5 



The slipping contact rectifying detector. L. W. Austin 8 



A preliminary note on the resistance of radio-telegraphic antennas. L. 

 W. Austin 9 



Electricity. — Formulas and tables for the calculation of mutual and self induc- 

 tance. E. B. Rosa and F. W. Grover 14 



Chemistry. — The melting points of the chemical elements. G. K. Burgess. ... 16 



Electro-Chemistry. — Thermodjmamics of concentration cells. H. S. Car- 

 hart 20 



Inorganic Chemistry. — The fractional v precipitation of carbonates. R. C. 

 Wells 21 



Mineralogy. — Ferritungstite, a new mineral. W. T. Schaller 24 



Hinsdalite, a new mineral. E. S. Larsen and W. T. Schaller 25 



Beaverite, a new mineral. B. S. Butler and W. T. Schaller 26 



Abstracts 



Meteorology 28 



Oceanography 30 



Terrestrial Magnetism • . : 31 



Physics 33 



Chemistry 36 



Mineralogy 36 



Geology 37 



Paleontology 38 



Forestry 40 



Fisheries. 41 



References 42 



Proceedings 

 Geological Society 44 



