Vol. VIII. 



SEPTEMBER, 



Published the first day of every second month, price $5 per year 



THE 



AMERICAN JOURNAL 



OF 



SCIENCE AND ARTS 



- 



CONDUCTED BY 



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



AND 



JAMES D. DANA. 



SECOND SERIES. 



No. 23. — SEPTEMBER, 1849 







NEW HAVEN: 



FEINTED FOR THE EDITORS BY B. U HAM IX* 



to Yale College 



■ 



V- 







W. F 



i, 



«— I ittlr & Browi^ and T. Wiley, Jr., B<Won.— 

 rS"^ 2 arid John Wiley, Arte York.- »k 



: * 





Hart, Phitedetyfca.—T. Dixr, I4'2 Tirana, JLowtai.~Hr.cTO* Bo^ange &. to., i 

 Nestle* & M«n.t Hawtbwrgh. 



I [BHH.^Hi r i 



HIHl 







fH*fe?e m <*«g ./ownm* to any tHsttyce is 9j c 



. 





<^MM 



[M^IIIIIIIIIIIIIIIIIIIIIIIM^IIIIIIIIIIIIIIK^IIIIiqi 



.IHi 



■1 





