CONTENTS OF VOLUME XXXVII 



NUMBER I. 



Art. I. Meteorological Observations during a Residence in Co- 

 lombia, between the Years 1820 and 1830; by Col. 



Richard Wright, ....... 



^ ^P 



bers of the Geological Society of London, being ex- 

 tracts from the Address of Rev. William Whewell, 

 B. D' F- R, S., ••••••• 



Meteor 



1837 



rite which exploded near Weston, Dec. 14, 1807; 

 By Edward C. Herrick, . . • , , 



XIV. Some Notice of British Naturalists; by Rev. Charles 



Fox, 



MISCELLANIES. 



Page. 



1 



XL Remarks on the Trilobite ; by Prof, Green, M. D-, . 25 



III. Description of a New Trilobite ; by Prof, Jacob Green, 



M. D , 40 



+ 



IV. On the Natural History of Volcanos and Earthquakes ; 



by Prof. Gustav Bischof, M. D., . . . . 41 

 V. Reply of Dr, Daubeuy to Prof, Bischof's Objections 



to the Chemical Theories of Volcanos, ... 78 



VI. Mountains in New York ; by E, F, Johnson, . . 84 



VII. Account of a Tornado ; by Willis Gaylord, . . 90 

 VIIL On Meteoric Stones — From the Annual Account of the 



Progress of Physics and Chemistry; by Berzelius, 93 



IX. Terrestrial Magnetism ; by J, Hamilton, . . , 100 

 X. Explosion of Hydrogen and Oxygen, with Remarks on 



Hemming's Safety Tube; by Prof. J. W, Webster, 104 

 XL On the Greek Conjugations ; by Prof. J. W. Gibbs, . 112 

 XII. Notice of Prof. Ehrenberg's Discoveries in relation to 



Fossil Animalcules ; also Notices of Deceased Mem- 



116 



130 



136 



1. Pictorial delineations by light; solar, lunar, stellar, and arti- 



ficial, called Photogenic and the art Photography, . , 169 



2. Correction of an Error — Cinnabar not found in Michigan, 185 



