THE 



AMEEICAN JOURNAL 



OF 



SCIENCE AND ARTS. 



CONDUCTED BY 



PROFESSOR SILLIMAN 



AND 



BENJAMIN SILLIMAN, Jr. 



VOL. XLVI.—No. 2— APRIL, 1844 



FOR JANUARY, FEBRUARY, AND MARCH, 1844. 



NEW HAYEN: 



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

 New York, WILEY & FUTNAM, C. S. FRANCIS & Co., and G. S. SILLI- 

 MAN.— Philadelphia, CAREY & HART and J. S. LITTELL.— Baltimore, 

 Md., N. HICKMAN— London, WILEY & PUTNAM.— Paris, HECTOR 

 BOSSANGE & Co.— Hamburgh, Messrs. NESTLER & MELLE. 



PRINTED BY B. L. HAMLEN. 



Published at New Haven, April 1, 1844. 



