1853.] 825 



June 7 th. 

 Vice-President Bridges in the Chair. 



Letters were read 



From the Royal Academy of Sciences of Naples, dated 25th August, 

 1852, accompanyiog donations of its Transactions, &c., announced this 

 evening. 



From Sig. Achille Costa, dated Naples, 20th Nov., 1852, trans- 

 mitting the copies of his vrorks announced this evening. 



A paper by Prof. Haldeman, describing new species of Insects, with 

 observations on described species, was presented, and referred to the 

 following Committee ; Dr. Le Conte, Dr. Leidy and Dr. Ruschen- 

 berger. 



A paper was also presented from Mr. Chas. Girard, of Washington, 

 entitled " Descriptions of new Nemerteans and Planarians from the 

 Coast of the Carolinas." Referred to the same Committee, 



Mr. Cassin presented a continuation of Dr. P. R. Hoy's paper on the 

 Ornithology of Wisconsin, which was referred to the Committee on the 

 previous portions of the paper. 



June 14th. 

 Vice-President Bridges in the Chair. 



Letters were read 



From Dr. Gr. Hartlaub, dated Bremen, 14th May, 1853, acknow- 

 ledging the receipt of his notice of election as a Correspondent. 



From J. W. Dawson, Esq., of Pictou, Nova Scotia, dated April 23d, 

 1853, accompanying the specimens of coal fossils from that country, 

 presented this evening. 



From the Corresponding Secretary of the American Academy of Arts 

 and Sciences, dated Boston, June 7th, 1853, transmitting part l,vol. 5, 

 of the Memoirs of that Institution, and requesting certain Nos. of the 

 Proceedings of this Society. 



From Dr. T. K. Beck, Secretary of the Trustees of the New York 

 State Library, dated Albany, June 9th, 1853, acknowledging the receipt 

 of the last No. of the Proceedings. 



Dr. Leidy read an interesting letter from Mr. Isaac Lea, dated Vienna, 

 May, 1853, and enclosing a communication, designed for publication 

 in the Proceedings, entitled, " Notice of the Mya nodulosa, Wood, by 

 Isaac Lea." The latter was referred to Dr. Leidy, Dr. Pickering and 

 Major Le Conte. 



June 21st. 

 Vice-President Bridges in the Chair. 



Letters were read 



From the Royal Academy of Sciences of Brussels, dated 16th June, 

 1852, acknowledging the receipt of the Journal, part 2, vol. 2, new- 

 series. 



