CONTENTS. 



Page 



Art. XXXV. — Effect of Temperature and of Moisture on 

 the Emanation of Phosphorus, and on a Distinction in 

 the Behavior of Nuclei and of Ions ; by C. Baeus 327 



XXXVI. — Determination of the Heat of Dissociation and of 

 Combustion of Acetylene, Ethylene and Methane ; by 



W. G. MlXTER.__ \ 34:1 



XXXVII. — Geological Relations and the Age of the St. 

 Joseph and Potosi Limestones of St. Francois County, 

 Missouri ; by F. S. Nason 358 



XXXVIII. — Cambrian Fossils of St. Francois County, Mis- 

 souri ; by C. E. Beecher , 362 



XXXIX. — Discovery of Eurypterid Remains in the Cam- 

 brian of Missouri ; by C. E. Beecher. With Plate VII 364 



XL.: — Determination of Persulphates ; by C. A. Petees and 



S. E. Moody . 367 



XLI. — Studies of Eocene Mammalia in the Marsh Collection, 



Peabody Museum ; by J. L. Wortman 377 



XLII. — Carboniferous and Permian Age of the Red Beds of 

 Eastern Oklahoma from Stratigraphic Evidence ; by G. 

 I.Adams - 383 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — New Method for Producing Aniline and the Analogous 

 Bases, Sabatier and Sendeuens: Existence of Ammonium, 0. Ruff, 387.— 

 Modified Gooch-Crucible, W. C. Heraeus : Radio-active Lead, Hofmann and 

 Strauss, 388. — Salt of Quadrivalent Antimony, Wells and Metzger: New- 

 Method for the Gravimetric Determination of Tellurium, Gutbier: Diffusion of 

 Hydrogen through Palladium, A. Winkelmann: Cathode Rays, W. Seitz. 889. 

 — Photography of the Infra- Red Spectra of the Alkali-metals, H. Lehmann: 

 Ether and Gravitational Matter through Infinite Space, Lord Kelvin. 390. — 

 Nineteenth Century Cloud over the Dynamical Theory of Heat and Light, Lord 

 Kelvin, 391. -Resistance and Electromotive forces of the Electric Arc, W. 

 Duddell, 392. — Unsolved Problems iu Low-Temperature Research. A. M. 

 Clerke, 393. 



Geology and Mineralogy— Geological Survey of Canada, G..M. Dawson, 394. — 

 Geological Survey of Canada, R. Bell and J. F. Whiteaves : Geological and 

 Natural History Survey of Minnesota, 1900-1901, N. H. Winchell, 395. — Iowa 

 Geological Survey, S. Calvin: Dragons of the Air, an account of Extinct 

 Flying Reptiles. H. G. Seeley, 396.— -Contributions to Mineralogy and Petro- 

 graphy from the Laboratories of' the Sheffield Scientific School of Yale Uni- 

 versity, S. L. Penfield and L. V. Pirsson: Large Phlogopite Crystal, W. H. 

 McNairn, 398. — Handbuch der Mineralogie, C. Hintze, 399. 



Miscellaneous Scientific Intelligence — Meteorite Swarms, A. 

 American Philosophical Society of Philadelphia, 400. 



G. Hogbom, 399.- 



