1848.] 35 



March Ith, 1848, 



Dr. Bridges in the Chair. 



Dr. Morton read a communication from the Rev. Dr. Bacliman, of 

 Charleston, S. C, entitled, " Notes on the generation of the Virginian 

 Oj)ossum (Didelpliis Virginiana) ;'' which was referred to the following 

 Committee : Dr. Morton, Dr. Leidy, and Dr. Hallowell. 



Mr. Peirce stated to the Society, that within the last week, he had 

 had an opportunity of seeing several interesting specimens of a hybrid 

 between the Guinea fowl and Peacock. They were the property of a 

 farmer residing near Phcenixville, in this State, were about four months 

 old, and possessed, in a marked degree, the distinctive characters of 

 both parents. He expressed a hope of being enabled to obtain one or 

 more of them for the Society's collections. 



March 21st, 1848. 

 Vice President Morton in the Chair. 



A letter was read from Sir Michael Faraday, dated Royal Institution, 

 London, 24th February, 1848, acknowledging the receipt of his notice 

 of election as a Correspondent. 



Dr. Hallowell read a paper, entitled " Descriptions of two new 

 species of Onychocephalus from the Western Coast of Africa ;" and 

 also communicated some " Notes of the post mortem appearances of a 

 Cynocephalus papion, which died at the Menagerie in Philadelphia." 

 Both of which papers were referred to a Committee, consisting of 

 Dr. Leidy, Dr. Morton, and Dr. Wilson. 



Dr. Leidy presented a communication from Prof. Haldeman, descri- 

 bing numerous species of Jlphodius, and designed as a supplement to 

 his Entomological papers, read at previous meetings of the Society, 

 and reported for publication in the next number of the Journal. Re- 

 ferred to the Committee on the former papers. 



April Uh, 1848. 



Mr. Phillips in the Chair. 



A letter was read from the Rev, Dr. Savage, addressed to Dr. 

 Hallowell, dated Natchez, Mississippi, March 10th, 1848, desiring 

 numbers of the Proceedings in which he was deficient, and in relation 

 to a communication which he had transmitted for publication in the 

 Proceedings, on the habits of some of the Reptilia of Western Africa. 



A letter was read from the Secretary of the " Societe imperiale des 

 Naturalisles de Moscou," dated Moscow, May, 1847, accompanying the 

 donation of the Numbers of the Bulletin of the Society, announced this 

 evening. 



The Rev. Dr. Bachman communicated through Dr. Morton, some 



PROCEED. ACAD. NAT. SCI. OF PHILADELnilA. — VOL. IV. NO. 11. 6 



