CONTENTS. 



Art. XI. — An Example of the Possible Intricacy of Glacial 

 Modification of Drainage within a Narrow Area ; by 

 L. A. Hausman 



XII. — The Moisture Content, of some Typical Coals ; by 



G. A. Hulktt, E. Mack and C. P. Smyth 174 



XIII. — The Formation of Dolomite and its Bearing on the 



Coral Reef Problem ; by E. W. Sk eats 1 85 



XIV. — On the Etching Figures of the Dihexagonal Alternat- 

 ing Type; by A. P. IIoxkss 201 



XV.— The Occurrence of Cristobalite in California; by A. E. 

 Roo i: us _ 



XVI. — The Oxidimetrie Determination of Thorium precipi- 

 tated as the Oxalate; by F. A. Gooca and M. Kobavashi 22 





SCIENTIFIC INTELLIGENCE. 



Cli- d Physics — Recovery of Potash and Other Constituents from 



Seawater Bittern, J. II. Hildebrand, 281. — Potash from Cement Mills, 

 '. Merz. N. S. Porter, Jr., R. D. Cheesmau: Preparatioi Dilute 



Permanganate Solutions, J. O. Halverson ami 0. Behgeim, 232 

 mentarv Study of Chemistry, McPherson and Henderson: A < 



of Organic Chemistry, J. li. Cohen', 23! ric Discharge i 



Vapors, R. J. Strutt. 234.— Tables and Magnetic Charts for 



1915, D. L. Hazard. 236.^-P] E. H. Barker: Telegraph 



Practice, J. Lee, 237; 



Nickel D I, \V. G. Miller and ('. W. Knk.i 



Report of the 



239. 



Miscell n. al Mind. 



parative Psychology. M. 

 brates, J. S*. K 

 II. W. Tyler, 240.— Thi 

 cation of Sell 

 Plant Pi 

 W. W. Robbi: 



