7 I L^ 



THE 



AMERICAN JOURNAL 



OF 



SCIENCE AND ARTS. 



CONDUCTED BY 



PROFESSOR SILLIMAN 



AND 



BENJAMIN SILLIMAN, Jr. 



VOL. XLVIL— No. 1.— JULY, 1844. 



FOR APBIIi, MAY, AND JUNE, 1844. 



NEW HAVEN: 



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

 JVew York, WILEY & PUTNAM, C. S. FRANCIS & Co., and G. S. SILLI- 

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

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

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



PRINTED BY B. L. HAMLEN. 



tfislied at Ifiew Haven, July 15, 1S44. 



