CON T ENTS. 



Page 



Art. I. — Physiography of Newfoundland ; by W. H. Twen - - 



iiofel 1 



II. — Hydrocarbon Found in the Diamond and Carbonado 



District of Bahia, Brazil ; by J. C. Branner 25 



III. — Hydrolysis of Esters of Substituted Fatty Acids ; by 



W. A. Drcshel ... . *_ 27 



IV. — Relations of Missouri River Loess Mantle and Kansan 



i )ri£t-!Sheet ; by C. R. Keyes 32 



V.— Crystallized Turquoise from Virginia ; by W. T. Schal- 



i.er ... 35 



VI. — Crescentic Fractures of Glacial Origin ; by F. H. 



Lahee _ 41 



VII. — Heat of Formation of Titanium Dioxide ; by W. G. 



Mixter 45 



VIII. — Composition of Nephelite ; by N. L. Bowen t 49 



IX. — Baddeleyite from Montana ; by A. F. Rogers 54 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Uranium Hexafluoride, Euff and Heixzelmaxx : 

 Atomic Weight of Extra-terrestrial Iron, Baxter and Thorvaldsox. 57. — 

 Compounds of Ammonia and Water, Smits and Postma : Quantitative 

 Determination of Fluorine as Calcium Fluoride, Starck and Thorix : 

 Volumetric Determination of Antimony in Alloys, G. S. Jamieson, 58. — 

 Radio-activity of the Durkheim Mineral Waters, Ebjler and Fellxer : 

 Bulletin of the Bureau of Standards, 59. — Annual Tables of Constants and 

 Numerical Data, Chemical, Physical and Technological, 60. — The Sun, 

 C. G. Abbot : Physical Optics, E. W. Wood : Illumination, its Distribu- 

 tion and Measurement, A. P. Trotter, 61. — Kometen und Elektronen. 

 A. Right, 62. 



Geology and Mineralogy— Publications of the Geological Surrey of the 

 United States. 62. — U. S. Bureau of Mines, 63— Geological Survey of New 

 Jersey : Geological Survey of Alabama : Data of Geochemistry. F. W. 

 Clarke, 64. — American Permian Vertebrates, S. W. Williston : Analyses 

 of Stone Meteorites. O. C. Farrington, 65. — Mineralogy of Pennsylvania : 

 Praktikum der experimentellen Mineralogie, E. Sommerfeldt : Uraninite 

 from German East Africa : Production of Platinum in 1910, 6?. — Les 

 Syenites Nepheliniques de l'Archipel de Loser, leur Mineraux, A. Lacroix, 

 68.— Potash in the United States, H. S. Gale, 69. 



Miscellaneous Scientific Intelligence — Heredity in Eelation to Evolution and 

 Animal Breeding, W. E. Castle : Animal Intelligence, Experimental 

 Studies, E. L. Thorxdike : Parasitic Amoebae of Man, C. F. Craig, 70. — 

 Inland Lakes of Wisconsin : A Laboratory Guide in Bacteriology, P. G. 

 Heineman : Annual Eeport of the Board of Eegents of the Smithsonian 

 Institution : Twenty-seventh Annual Eeport of the Bureau of American 

 Ethnology: Appleton's Scientific Primers, 71. 



Obituary— Joseph D alton Hooker : George Davisox : William Suther- 

 laxo : Giorgio Spezia. 



