







7 









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THE 



AMERipAN JOURNAL 



OF 



SCIENCE AND ARTS. 



CONDUCTED BY 



PROFESSOR SILLIMAN 



AND 



BENJAMIN SILLIMAN 



YOL. XLIY.— No. 1.— JANUARY, 1843. 



FOR OCTOBER, NOVEMBER, AND DECEMBER, 184*. 



WITH EIGHT PLATES. 









NEW HAYEN: 



Sold by B. & W. NOYES — Boston, LITTLE & BROWN and W. H. S. JOB 

 DAN— Jfew York, WILEY A PUTNAM, C. S. FRANCIS & Co., and G. S. 

 SILLIMAN— Philadelphia, CAREY & HART, J. S. LITTELL and DREW 

 & SCAMMELL. - Baltimore, Md., N. HICKMAN— London, WILEY & PUT- 

 NAM.— Paris, HECTOR BOSSANGE & Co.— Hambureh. Messrs. NEST- 



LER & MELLE. 



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I 



PRINTED BY B. L HAMLE 



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Published at Hew Haven, January 10, 1843 



