THE AMERICAN JOURNAL, &C 



TERMS. 



The American Journal, of Science and Arts is published in Quarterly 

 numbers at New Haven, Connecticut, and in two semi-annual volumes of 400 or 

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B. & B. SILLIMAN, Editors Am. Journ. Science tf Arts. 



New Haven, Jan. 1, 1844. 



Complete sets, now 45 vols., are furnished to order. 



This No. contains 14 sheets; postage, under 100 miles, 21 cents; over 100 

 miles, 35 cents. 

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 AMERICAN JOURNAL OF SCIENCE. 



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