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THE 



AMERICAN JOURNAL 



OK 



SCIENCE AND ARTS. 



CONDUCTF.l' l'\ 



PROB^ESSOR SILLIMAN 



AND 



BENJAMIN SILLIMAN, Jr. 



VOL. XLL— No. 2.— OCTOBER, 1841. 



FOR JULY, ATJGI'ST, A\D SErTEMBEK. 1«(1, 



(10 nZ CONTINUED QUARTERLV.) 



NEW HAVEN: 



Sold by B. & W. NOYES —PhUadelphia, CAREY & HART, J. S. LITTLLL 

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

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

 corner of John St. and Broadway, and G. S. SILLIMAN, No. 40 Wall St.— 

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

 No. 35 Paternoster Row, London, and 161 Broadway, A'cm> York.— Paris, 

 HECTOR BOSSANGE&Cc, No. 11, Quay Yoh:aTc.-mv:l::r^h, Mr-^-r? 

 NESTtER & MELLE. 



PRINTED BY B. I. U .V U. K N 



Pnblislicd at New Haven, October 1, 1841. 



