CONTENTS OF VOLUME XLI. 



NUMBER I. 



Page. 

 Art. I. Second Letter to Prof. Faraday ; from Prof. R. Hare, M. D. 1 

 11. On the Magnetical Dip in the United States ; by Prof. John 



Locke, M, D., 15 



in. Observations on the Melanians of Lamarck ; by S. S. Hal- 



DEMAN, ......... 21 



IV. Short Notices of American Fossil Fishes ; by W. C. Red- 

 field, ......... 24 



V. Contributions to English Lexicography; by Prof J. W. 



GiBBs, ......... 28 



VI. Origin of the Names of Beasts, Birds and Insects ; by Prof. 



J. W. GiBBs, . 32 



VII. Abstract of the Proceedings of the Tenth Meeting of the 



British Association for the Advancement of Science, . 40 

 VIII. Remarks relating to the Tornado which visited New Bruns- 

 wick, in the State of New Jersey, June 19, 1835, with a 

 Plan and Schedule of the Prostrations observed on a sec- 

 tion of its track ; by W. C. Redfield, Esq., . . 69 

 IX. Notice of a Model of the Western portion of the Schuylkill 

 or Southern Coal-Field of Pennsylvania, in illustration of 

 an Address to the Association of American Geologists, 

 on the most appropriate modes for representing Geolo- 

 gical Phenomena, with a Plate ; by Richard C. Taylor, 80 

 X. A Notice of Indian Cyprinidfe, being the second part of 

 the nineteenth volume of Asiatic Researches, by Mr. John 

 M'Clelland. Read Feb. 17, 1841, to the Boston Society 

 of Natural History ; by D. Humphreys Storer, M. D., 92 

 XI. Des Moulins' General Considerations on Restricting the 

 number of Species of the genera Unio and Anodonta ; 

 translated from the French, by Philip H. Nicklin, A. M., 104 



7//^7 



