( -478 ) 



^ibart , und ueber die Ursachen der Abartungen in den ofcja' 

 nischen Beichcn. Eîne Preisschrift von A.-Fr. Spring. Leipzig, 

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Osservazioni stillo stato délia zoologia in Europa , in quanta 

 ai vertebrati neir anno 1840-41 lette li 27 settentbre 18-41 alla 

 terza riunione degli scienziati italiani da Car. Luc. principe Bo- 

 naparte, principe di Canino etMusignano. Firenze, 18-42, in-8''. 



Minas de Carvâo de Pedra de 5'" Catharina. Estadoda Qties- 

 /ao. Par le même. Rio de Janeiro, 8 d. Julho de 1841,in-12. 



Memoria Terceira sobre as minas de Carvâo de Pedra de 5'" 

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A memoir of If^illiam Machire, by S.-G. Morton. Philadel- 

 phia, 1841, in-8. 



Notice of the academy of natural sciences of Philadelphia, 

 ff^ith an appendix. S** édition. Philadelphia , 1836, in-8". 



Address delivred on laying the corner stone ofthe academy of 

 natural sciences of Philadelphia. May 25^'' 1839; by Walter R. 

 Johnson. Philadelphia , 1839 , in-8''. 



Act of incorporation and by-laws ofthe academy of natural 

 sciences of Philadelphia. Philadelphia , 1840, in-8''. 



List of membres and correspondents of the academy of natural 

 sciences of Philadelphia. From the origin of the society on the 

 2511» ofjanuary, 1812, to the 1" of september, 1841. Philadel- 

 phia, 1841 , in-8". 



A biographical sketch of thelate Thomas Say , read before the 

 academy of natural sciences of Philadelphia, by Benj.-H. Coates. 

 Philadelphia, 183S, in-8". 



A memoir of the late Lewis David von Schweinitz , ivith a 

 sketch ofhis scientific labours. Read before the academy of natural 

 sciences of Philadelphia, by Walter R. Johnson. Philadelphia, 

 1835, in-S». 



Repertorium fiir Anatomie und Physiologie. Von G. Valentin, 

 ^l*"" und 6"^" Band , jeder in 2 Abtheiliingen ; 7'^" Bandes , 1'". 

 Ablheilung. Bern und S'-Gallen, 1840-1842, in-8". 



Prodromus zu cincr ncuen , verbesserlcn Darstcllungsiveise 



