£ 



U "I 



THE 



AMERICAN JOUIilVAL 



OF 



SCIENCE ANB ARTS 



CONDUCTED BV 



BENJAMIN SILLIMAN, M. D. LL. D. 



Prof. Chem., Min., &c. in Yale Coll. ; Cor. Mem. Soc. Arts, Man. and Com. ; and 



For. Mem. Geol. Soc, London ; Mem. Gaol. Soc, Paris; Mem. Roy. Min. Soc, 



Dresden; Nat. Hist. Soc, Halle; Imp. Agric Soc, Moscow; Hon. Mem. 



Lin. Soc, Paris; Nat. Hist. Soc Belfast, Ire.; Phil, and Lit. Soc 



Bristol, Eng.; Lit. and Hist. Soc, Quebec; Mem. of various 



Lit. and Scien. Soc in America. 



VOL. XXIX.— No. 2.— JANUARY, 1836. 



FOR OCTOBER, NOVEMBER, AND DECEMBER, 1835, 



NEW HAVEN: 



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