The American Journal of Science 



Established by Benjamin 5i!liman in 1818. 



The Leading Scientific Journal in the United States 



Devoted to the Physical and Natural Sciences, with special reference to 

 Physics, and Chemistry on the one hand, and to Geology and Mineralogy 



Two volumes annually, in monthly numbers of about 80 pages each. 



This Journal ended its first series of 50 volumes as a quarterly in 1845 ; its seeon 

 series of 50 volumes as a two-monthly in 1870 ; its third series as a monthly ended De< 

 ember, 1895. A Fourth Series commenced in 1896. 



Subscription price, $6 per year or 50 cents a number, postage prepaid in the United States 

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The American Journal of Science 

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LAMARCK 



sa vie, son oeuvre 

 par MARCEL LANDR1EU. 



Science 



Sera public dans les Memoires de la Socie"te Zoolo- Annual mOmsrtptom VM. Single numbers 60 cents. 



J^J^ The Popular Science Monthly^ 



g^p^r al , ^ Ru g SE RPENTE, PARIS. jarfn^ 



To Zoologists and Huseums j? 2j SLSSj ^ t ^^^£«£S^^^^^wSS! t S 



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57 Haverstock Hm London, n. w. England The American Naturalist 



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price lit?ts Nos. 6. Bird Skins (over 4, .•?<><) V ■ . 



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