130 [November, 1S44 



A paper by Dr. Hallowell, describing seven new species 

 of African Reptiles, was read and referred to the following 

 committee: Dr. Wra, Blanding, Rev. J. H. McFarland, and 

 Mr. Haldeman. 



Professor Johnson read a continuation of his paper on the 

 methods of determining the calorific powers of combustible 

 bodies. 



On motion of Mr. Clay it was unanimously Resolved, 

 That the thanks of the Society be tendered to Dr. Wilson 

 for the splendid collection of minerals presented by him this 

 evening. 



Stated Meeting, November 12, 1844. 

 Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



Specimen of Asterias caput-medusa3, L., from Cuba. Pre- 

 sented by Mr. J. G. Howard. 



Mounted specimen of Dicotyle torquatus, (Peccary,) from 

 South America. Presented by Mr. Dennis Lahey, of 

 Philadelphia. 

 The following donations were announced by the Curators, 



in exchange. 



Cervus nemorivagus, male and female, Cavia aperia, 

 Echimys Cayanensis, Sciurus sestuans, 



Mus Brasiliensis, Vespertilio alecto, 



" ;Tvicoloides, Dasypus tricinctus, 



" angouya. 



The Chairman announced to the Society the recent de- 

 cease, in Switzerland, of our late fellow member Nathan 

 Dunn, Esq., and stated, that in his will, a copy of which was 

 on the table, it would be found that a bequest of $ 10,000 

 had been made to this Institution. The Chairman, however, 



