Vol. VII 



JANUARY, 1849. 



Published thejirst day of every second month, price $5 per year. 



THE 



AMERICAN JOURNAL 



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OF 





SCIENCE AND ARTS. 





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CONDUCTED BY 







essors B. SILLIMAN and B. SILLIMAN, Jb 





AND 



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JAMES D. DANA 







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SECOND SERIES. 



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No. 19. —JANUARY, 1849. 



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NE V HAVEN. 









PRINTED FOR THE EDITORS Bf B. L* HAMLEJT, 



Printer to Yale College* 



M by Day & Fitch, New Raven, — Ltt Brown, and T. Wiley, Jr., Jffcsfcm.— C. S. 



Fr s <fc Co. nd orgr P, Putnam, hue Wile & Putnam,) New York.— Carey 

 & Phi — Gi P. Putnam, 1 id, London. — Hector Bos- 



sa E & Co., rari*.— NEST1.KR & Melle, Hamburgh. 







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