PROCEEDINGS 



OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Vol. I. APRIL and MAY, 1842. Nos. 13, 14. 



STATED MEETING, April 5, 1842. 

 Vice President Morton in the Chair. 



DONATIONS TO LIBRARY. 



Remarks upon Coral Formations in the Pacific, with sugges- 

 tions as to the causes of their absence in the same parallels 

 of latitude on the coast of South America. By Joseph P. 

 Couthouy. Boston, 1842. From the Author. 



The Creation of Light; an extract from an unpublished work, 

 'The Philosophy of Generalization.' By Thomas Fisher. 

 From the author. 



Transactions of the American Philosophical Society. Vol. 8. 

 Part 1st. New Series. From the Society. 



Annales des Mines, IV e Livraisonde 1841. Tome XX. In 

 exchange. 



American Journal of Science and Arts. Vol. XLH. No. 2. 

 April, 1S42. From the Editors. 



Complete sets of the copperplates belonging to Audebert and 

 Vieillot's valuable work " L'Oiseaux Dores :"and to Vieil- 

 lot's "L'Oiseaux de l'Amerique Septentrionale :" the whole 

 comprising 314 Plates, in good condition. Presented by 

 Alexander Maclure, Esq. 



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