1848.] 115 



J^ovcmbe?- 1th, 184S. 

 Vice President Mouton in the Chair. 



Letters were read : 



From Dr. Charles Nicholson, dated Sydney, New South Wales, 

 April 5th, iSiS, acknowledging the receipt of his notice of election 

 as a correspondent, and announcing that he had forwarded for the 

 Academy, collections of Shells, Insects, and other objects of natural 

 history of that country. 



From Prof. Th. Lacordaire, of Liege, dated April, iS-iS, accom- 

 panying a copy of his recent work, " Monographic des Coleopteres 

 subpentameres de la famille des Phytophages," in two vols, 8vo., for 

 which he desired in exchange a copy of the Proceedings of the Acade- 

 my, which was accordingly ordered. 



By permission of the Society, a report was read from the Committee 

 on JNIr. Pease's paper on the Geology and Natural History of Mexico, 

 recommending the same for publication in the September and Oc- 

 tober No. of the Proceedings, which was adopted. 



JVovember I4th, 1848. 

 Vice President Morton in the Chair. 



Letters were read from Hugh E. Strickland, Esq., dated Oxford, 

 England, October 26, 1848, and from Edward Tuckerman, Esq., dated 

 Cambridge, Mass., November 10, 1848, severally acknowledging the 

 receipt of their notices of election as Correspondents. 



Dr. Gambel called the attention of the Society to a fine collection of 

 Skins of Quadrupeds, collected by Dr. John K. Townsend during his 

 late tour to the Rocky Mountains, Sandwich Islands, &c., which the 

 latter offered to dispose of to the Academy. On motion the subject was 

 jtjferred to the Curators. 



Dr. Morton exhibited an antique silver image from Peru, sent to 

 him by William A. Foster, Esq., of Lima, the head of which was 

 moulded into the remarkable conical form, characteristic of the crania 

 of the people of that country. 



Dr. Alorton also stated that he had received information of the dis- 

 covery of the Megalosuurus in the cretaceous formations of New 

 Jersey. 



JVovemher 21s/, 1848. 

 Dr. Bridges in the Chair. 



A letter was read from Dr. Thomas Horsfield, dated Library of East 

 India Company, London, November 2, 1848, acknowledging the 

 receipt of a copy of the Journal of the Academy, and stating that the 



PUOCEED. ACAD. NAT. SCI. OF rHILADELPniA. — VOL. IV. NO. VI. 17 



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