PROCEEDINGS 



OF THE 



ACADEMY OP NATURAL SCIENCES 



OF PHILADELPHIA. 



Vol. II. NOV. AND DEC, 1844. No. 6. 



Stated Meeting, November 5, 1844. 

 Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



Specimen of common Salt from Arkansas. Presented by Mr. 

 James Dundas. 



The Curators deposited on the table a specimen of the White 

 Ape of Siam, (Hylobatus leuciscus ?) the skin of which 

 had been presented to the Academy several years since 

 by Dr. Ruschenberger, but only recently prepared and 

 mounted. 



Dr. Thomas B. Wilson, of Newark, Delaware, presented a 

 very fine collection of minerals from the counties of Cum- 

 berland, Durham, Northumberland, &c, England, con- 

 sisting of 130 selected specimens, as follows: 



Carbonate of lime, Cumberland, (8 var.;) carbonate of lime and 

 pearl spar on gray drusy quartz, do.; carbonate of lime and blende, 

 do.; carbonate of lime on quartz, do., (6 var.;) carbonate of lime, 

 iron pyrites and pearl spar, do.; arragonite, do.; yellow do. do.; 

 rhomboid carbonate of lime, do.; prismatic carbonate of lime, do., 

 (2 var.;) striated yellow carbonate of lime, do.; carbonate of lime, 

 carbonate of iron, quartz and fluor spar, Northumberland ; carbo- 



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