108 [October, 1846. 



cles of the thigh of a hog. The Entozoon is a minute, coiled 

 "worm, contained in a cyst. The cyst are numerous, white 

 oval in shape, of a gritty nature, and between the 30th and 

 40th of an inch in length. 



The Entozoon he supposes to be the Trichina spiralis, 

 heretofore considered as peculiar to the human species. He 

 could perceive no distinction between it and the specimens 

 of T. spiralis which he had met with in several human sub- 

 jects in the dissecting rooms, where it had also been observed 

 by others, since the attention of the scientific public had been 

 directed to it by Mr. Hilton and Prof. Owen. 



Dr. Leidy also exhibited a singular knotted mass of living 

 Gordii, or hair worms, with numerous long strings of ova at- 

 tacked, which had been taken a few days since from one of 

 the hydrants of this city. 



Stated Meeting, October 13, 1846. 

 Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



Numerous specimens of minute recent and fossil Shells from 

 the shore of Seneca- Lake, N. Y. Presented by Judge 

 Tremper. 



Native Copper from the Bay of Fundy. From Professor 

 Johnson. 



A large slab of Sandstone, from the Portland Quarries, near 

 Middletown, Connecticut, containing numerous marks of 

 Ornithoidichnites. Presented by Messrs. C. P. Wicker- 

 sham, and L. F. Jones, of Chester County, Pennsylvania. 



DONATIONS TO LIBRARY. 



Continuazione delle osservzioni nell' anno 1841, sulle larve 

 di Scolia flavifrons. Da Carlo Passerini. Firenze 1841. 

 4to. From the Author. 



