

q Ki 



THE V 



^ ' 



AMERICAN JOURNAL 





or 



SCIENCE AND ARTS 









CONDUCTED BY 



Professors B. SILLIMAN and B. SILLIMAN, Jr., 



AND 





JAMES D. DANA. 



SECOND SERIES. 



VOL. IV.— NOVEMBER, 1847 





NEW HAVEN: 



PRINTED FOR THE EDITORS BY B. L. HAMLElf, 



Printer to Yale College. 



Sold by H. Day, New Haven.— Little & Brown, and W. H. S. Jordan, Boston.— C. S. 

 Francis & Co. and Wiley & Putnam, New York.— Carey & Hart, Philadelphia.— 

 N. Hickman, Baltimore, 3frf.— -Wiley & Putnam, London.— Hector Bosbange & Co., 



Paris. — Nestler & Melle, Hamburgh. 



V* 





