CONTENTS. 



]SPuni"ber 267. 



Page 



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

 Modification of Drainage within a Narrow Area ; by 

 L. A. Hausman 153 



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



G. A. Huxett, E. Mack and C. P. Smyth 1*74 



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



Coral Reef Problem ; by E. W. Skeats 185 



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

 ing Type; by A. P. Honess -- 201 



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



Rogers r - 222 



XVI. — The Oxidimetric Determination of Thorium precipi- 

 tated as the Oxalate; by F. A. Gooch and M. Kobayashi 227 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Recovery of Potash and Other Constituents from 

 Seawater Bittern, J. H. Hildebrand. 231. — Potash from Cement Mills, 

 A. R. Meez, N. S. Porter, Jr., R. D. Cheesman: Preparation of very Dilute 

 Permanganate Solutions, J. 0. Halverson and 0. Bergeim, 232. — An Ele- 

 mentary Study of Chemistry, McPherson and Henderson: A Class-Book 

 of Organic Chemistry, J. B. Cohen, 233. — Electric Discharge in Gases and 

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

 1915, D. L. Hazard, 236. — Plane Trigonometry, E. H. Barker: Telegraph 

 Practice, J. Lee, 237. 



Geology — Chemical Analyses of Igneous Rocks, H. S. Washington, 238. — 

 Nickel Deposits of the World, W. G. Miller and C. W. Knight: Annual 

 Report of the Board of Scientific Advice for Isdia for the year 1915-16, 

 239. 



Miscellaneous Scientific Intelligence — The Animal Mind, a Text-book of Com- 

 parative Psychology, M. F. Washburn: Comparative Anatomy of Verte- 

 brates, J. S. Kingsley: A Short History of Science, W. T. Sedgwick and 

 H. W. Tyler, 240. — The Mastery of Nervousness, based upon the Re-edu- 

 cation of Self, R. S. Carroll. 241. — An Introduction to the Chemistry of 

 Plant Products, P. Haas and T. G. Hill : The Botany of Crop Plants, 

 W. W. Bobbins, 242. 



