y^ 



THE 



AMERICAN JOURNAL 



OF 



SCIENCE AND ARTS. 



CONDUCTED BY 



PROFESSOR SILLIMAN 



AND 



BENJAMIN SILLIMAN, Jr. 



VOL. XLIL— No. 1.— JANUARY, 1842. 



FOR OCTOBER, NOVEMBER, AND DECEMBER, 1841. 



(TO BE CONTINUED <JUARTERLY.) 



NEW HAVEN: 



Sold by B. & W. NOYES —Philadelphia, CAREY & HART, J. S. LITTELL 

 and ORRIN ROGERS, No. 67 So. Second St.— Baltimore, Md., N. HICKMAN. 

 —M.20 York, CARVILL & Co., No. 108 Broadway, THEODORE FOSTER, 

 corner of John St. and Broadway, and G. S. SILLIMAN, No. 49 Wall St.— 

 Boston, C. C. LITTLE & Co.— London and JVew York, WILEY & PUTNAM, 

 No. 35 Paternoster Row, London, and 161 Broadway, New York. — Paris, 

 HECTOR BOSSANGE & Co., No. 11, Quay YoUaire.—Hamlurgk, Messrs. 

 NESTLER & MELLE. 



PRINTED BY B. L. IIAMLEN. 



Publisbed at IVcmt Haven, JTauaary i, 1S42. 



