PROCEEDINGS 



OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Vol. hi. SEPTEMBER AND OCTOBER, 1846. No. 5. 



Stated Meeting, September 1, 1846. 

 Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



Specimen, in skin, of Buteo unicinctus, Temm. (Falco Harrisii, 

 Aud.) from the vicinity of Natchez. From Dr. J. C. 

 Jenkins of Natchez. 



A small collection of insects, in spirits. From Mr. Gambel. 



Mr. Germain, of Burlington, N. J., presented an additional 

 series of cretaceous fossils, from the marl strata west of 

 that city, embracing the genera Ammonites, Scaphites, 

 Baculites, Mya, Coprolites, and some others, with frag- 

 ments of fossil wood. 



The Curators announced that the splendid collection of Birds 

 purchased in Paris by Dr. Thomas B. Wilson, and known 

 as the Rivoli collection, has arrived, and is now deposited 

 in the Hall of the Acadamy. 



Dr. Morton read a paper, describing two living hybrid 

 birds, between the genera Gall us and Numida ; which was 

 referred to Mr. Cassin, and Dr. Leidy. 



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