VI CONTENTS. 



Number 64. 



Page 

 Art. XX. — Magnetic Theory of the Solar Corona; by F. H. 



Bigelow 253 



XXI. — Tertiary Springs of Western Kansas and Oklahoma; 



by C. N. Gould 263 



XXII. — Fundamental Propositions in the Theory of Elas- 

 ticity : A study of primary or self -balancing stresses; 

 by F. H. Cilley 269 



XXIII. — Boiling Point of Liquid Hydrogen, determined by 

 Hydrogen and Helium Gas Thermometers ; by J. 

 Dewae 291 



XXIV.— Nature of Vowels ; by E. W. Scripture . _ , 302 



XXV. — Behavior of the Phosphorus Emanation in Spherical 



Condensers ; by C. Barus 310 



XXVI. — Concretions of Ottawa County, Kansas ; by W. T. 



Bell '■_ 315 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics— Ammonium Bromide and the Atomic Weight of Nitro- 

 gen. A. Scott: Combustion of Gases, S. Tantar, 317. — Peculiar Blue Color 

 produced when Potassium and Sodium Sulphocyanides are Heated, W. B. 

 Giles : Method of obtaining Crystals of difficultly Crystallizable Substances, A. 

 Rumpler: Elimination of Methane in the Atmosphere, Y. Urbain, 318.— 

 Introduction to Modern Scientific Chemistry, Lassar-Cohn : Ausgewahlte 

 Methoden der Analytischen Chemie, A. Classen, 319. — Radiation Law of Dark 

 Bodies, F. Paschen: Unipolar Induction, E. Hagenbach: Effect of Electricity 

 on Bacteria, A. Macfadyk, 320.— Electric Convection, M. V. Cremied: Pre- 

 servation of Photographic Records, W. J. S. Lockter: Eclipse Cyclone and 

 the Diurnal Cyclone, H. H. Clayton, 321.— Attempt to show that the earth 

 being a magnet draws ether with it, W. Rollins, 322.— Presence of Gallium in 

 the Sun, W. N. Hartley and H. Ramage, 323. 



Geology— Geology of the Boston Basin. W. 0. Crosby : University Geological 

 Survey of Kansas, S. W. VTilliston, 324.— Orange River Ground-Moraine, A. 

 W. Rogers and E. H. L. Scuwarz, 325.— Founders of Geology, A. Geikie : 

 Gcsetz der Wiistenbildung in Gegenwart und Vorzeit, J. Walther, 326. 



Zoology— Recent papers relating to the fauna of the Bermudas, 326.— Trans. Conn. 

 Acad. Science: Zoological Results based on Material from New Britain, New 

 Guinea, Loyalty Islands and elsewhere, A. Willey, 330. 



Misrrllaneous Scientific Intelligence — Lecons de Physiologie Experimentale. R. 

 Dubois et E. Couvreur, 330.— Webster's International Dictionary, New Edition 

 331.— The National Standardizing Bureau, 332. 



Obituary— -George Mercer Dawson: Charles Hermite: Adolphe Chatin- 

 J. C Agardu, 332. 



