CONTENTS. 



Page 



Art. I. — Geology of the Shonkin Sag and Palisade Butte 

 Laccoliths in the Highwood Mountains of Montana ; by 

 W. H. Weed and L. V. Pirsson , . . 1 



II. — Manganese Ore Deposits of the Queluz (Lafayette) Dis- 

 trict, Minas Geraes, Brazil ; by O. A. Derby 18 



III.— Bituminous Deposits situated at the South and East of 



Cardenas, Cuba ; by H. E. Peckham __..__ 33 



IV. — Mineralogical Notes, No. 2 ; by A. F. Rogers 42 



V. — New Solution for the Copper Voltameter; by W. K. .. 

 Shepard 49 



VI. — Thermo-magnetic and Galvano-magnetic Effects in 



Tellurium ; by M. G. Lloyd 57 



VII. — Additions to the Avifauna of the Bermudas with 



diagnoses of two new Subspecies; by A. H. Verrill... 64 



VIII, — Induced Alternating Current Discharge studied with 

 Reference to its Spectrum and especially the Ultra- Violet 

 Spectrum ; by A. W. Wright and E. S. Downs 66 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — Tgnition temperature of Phosphorus, Eydman : Composi- 

 tion of •' Caro's Acid," Baeyer and Villiger, 73. — Vitrified Quartz, Shen- 

 stone, 74. — Influence of Magnetism upon Supersaturated Solutions, de Hemp- 

 tinne: Ammonium Cyanate, Walker and Wood: Selenium in Sulphuric Acid, 

 Jouve, 75. — Qualitative Chemical Analysis: Viscosity of Argon, Schultze: 

 Conductivity in Hydrogen and Carbonic Acid Gas, Totvnsend and Kirkby: 

 E.M.F. of Clark- and Weston-Cell, Jaeger and Lindeck, 76. — Electrical Flow 

 in Gases, Stark: Treatise on Electro-Magnetic Phenomena, Lyons, 77. 



Geology and Natural History — Eocene Deposits of Maryland, and Systematic 

 Paleontology, 77. — Annual Report Geol. Survey Arkansas, 1892, 78. — Summary 

 Report Geol. Survey Canada, 1900 : Revision of Genera and Species of Cana- 

 dian Paleozoic Corals, Lambe, 7 9. — Amygdaloidal Melaphyre in Mass., Burr, 



^80. — Explosive Activity of Vesuvius, Matteucci: Der Vulcan Etinde in Kam- 

 erun und seine Gesteine, Esch, 81. — Sondre Helgeland, Vogt, 82. — Classification 

 of Igneous Rocks, Federow, 83. — Boletin del Institute Geologico de Mexico : 

 Brief Notices of recently described Minerals, 84. — Iron Meteorites, 86. — Milch- 

 saftund Schleimsaft der Pflanzen, Molisch, 87. — Remarkable Instance of Death 

 of Fishes at Bermuda, Verrill, 88. 



Miscellaneous Scientific Intelligence — Atlas Meteorologico de la Republica Argen- 

 tina, 88. — British Museum Catalogues: Select Bibliography of Chemistry, 

 1492-1897: Publications Bureau of American Ethnology: Field Columbian 

 Museum: Scientia, 89. — Zoologisches Addressbuch: Publications Earthquake 

 Investigating Committee ; Publications U. S. Naval Observatory, 90. 



