CONTENTS. Vll 



Number 167. 



Page 

 Art. XXXIX. — -Vesuvius: Characteristics and Phenomena 

 of the present Reioose-period ; by F. A. Pekret. With 

 Platel -- 413 



XL.— Great Nevada Meteor of 1894 ; by W. P. Jennet ... 431 



XLI. — Phenomena of the Electrolytic Decomposition of 



Hydrochloric Acid ; byF. A. Gooch and F. L. Gates.. 435 



XLTL— Eocene Fossils from Green River, Wyoming; by 



T. D. A. Cockerell 447 



XLIII. — Xote on the Occurrence of an Interesting Pegma- 

 tite in the Granite of Quincy, Mass.; by C. H. Warren 449 



XLIV. — Melting Point Determination ; by W. P. White.. 453 



XLY. — Melting Point Methods at High Temperatures ; by 



W. P. White 474 



XLYI. — Existence of Teeth and of a Lantern in the Genus 



Echinoneus Van Phels ; by A. Agassiz. With Plate II 490 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Separation of Titanium, Niobium and Tantalum, L. 

 Weiss and M. Landecker, 493. — Electrical Discharges from Radium Ema- 

 nation, Debierne : Outlines of Chemistry, L. Kahlenberg, 494.— The 

 Fundamental Principles of Chemistry, W. Ostwald : Elementary Modern 

 Chemistry. W. Ostwald and H. W. Morse : Resistance due to Obliquely 

 Moving Waves, etc., Lord Rayleigh, 495. — Excitement of Positive Rays 

 by Ultra-violet Light, H. Dember : Electricity excited by the Fall of 

 Mercury through gases upon the surfaces of metals, A. Becker : Viscosity 

 of Gases, Gy. Zemplen, 496. 



Geology — Geology of the Queenstown Subdivision, J. Park, 497. — West Vir- 

 ginia Geological Survey, I. C. White, 498. — Geological Survey of New 

 Jersey, H. B. Kttmmel : Relations between local magnetic disturbances 

 and the genesis of Petroleum, G. F. Becker, 499. — Production of Coal in 

 1908 : Carnivora and Insectivora of the Bridger Basin, Middle Eocene, W. 

 D. Matthew : Pliocene Fauna from Western Nebraska, W. D. Matthew 

 and H. J. Cook, 500. — Vertebrata of the Oligocene of the Cypress Hills, 

 Saskatchewan, L. M. Lambe : Commissao de estudos das Minas de Carvao 

 de Pedra do Brazil, J. H. MacGbegor : Skull and Dentition of an extinct 

 Cat closely allied to Felix atrox Leidy, J. C. Merriam : Teratornis, a new 

 Avian Genus from Rancho la Brea, L. H. Miller, 501.— Igneous Rocks ; 

 Composition, Texture and Classification, J. P. Iddings, 502. — Natural 

 History of Igneous Rocks, A. Harker, 503. — Journeys through Korea, B. 

 Koto, 504. 



Miscellaneous Scientific Intelligence — Darwin and Modern Science, 505. — Zoo- 

 cecidies des Plantes d'Europe et du Bassin de la Mediterranee, C. Houard : 

 Autogamie bei Protisten und ihre Bedeutung fur das Befruchtungsprob- 

 lem, M. Hartmann : Observations Meridiennes, F. Boquet, 506. — Ostwald's 

 Klassiker der Exakten Wissenschaften : Catalogue of the Lepidoptera Pha- 

 laense in the British Museum : Les Prix Nobel en 1906, 507. 



Obituary — Dr. Joseph Frederick Whiteaves : Hugh Fletcher : Dr. Anton 

 Dohrn. 508. 



