187^.] NATURAL SCIENCES OF PHILADELPHIA. 457 



Louis, Mo.; Orthoclase, Gotlrite on Quartz, Orthoclase, Pike's 

 Peak, Col.; Limonite, Neguanee, Mich.; Pyrolusite, Nova 

 Scotia; Stalactite, Stalagmite. 

 Minerals purchased. Adamite on Quartz, France ; Gersdorffite, 

 Styria ; Eudyaliteand Arfvedsonite with Feldspar, Greenland; 

 Wavellite, Montgomery Co., Ark.; Corundum and Lesleyite, 

 Corundum, Barnhardtite, N. C. ; Langite, Cornwall, England ; 

 Euxenite, Arendal, Norway ; Helvite with Quartz and Zinc- 

 blende, Saxony; Melilite in Lava, Humite, Vesuvius ; Sen- 

 armontite, Algeria; Bytownite, Canada; Fergusonite in 

 Quartz, with black Mica, Ytterhy, Sweden ; Sepiolite, Bonitz; 

 Covellite, Dillenberg; Glaucodot, Sweden. 

 Minerals deposited by Am. Phil. Soc. Red Porphyry, Sweden; 

 Pipe-stone, Sioux Country; Leopardite, N. C. ; Zinc, the first 

 manufactured in America, made from ore from Perkiomen 

 Mine, Montgomery Co., Pa. 

 The collection of minerals of the Franklin Institute, and the 

 rocks of the Rogers Survey of Penna., hei'etofore in its custod}', 

 have been deposited, on condition of their return on demand. 



I would also report the completion of the numbering of the 

 minerals in the Museum, in accordance vvitli the catalogue, and the 

 preparation of an alphabetical index of the same. 



All of which is respectfully submitted, 



Theo. D. Rand, 



Director. 



The election of Officers for 1880 was held, with the followin 

 result : 



President . . . W. S. W. Ruschenberger, M.D. 



Vice-Presidents . . Wm. S. Vaux, 



Thomas Meelian. 

 Recording Secretary . Edward J. Nolan, M.D. 

 Corresponding Secretary Geo. H. Horn, M.D. 

 Treasurer . . . Wm. C. Henszey. 

 Librarian . . . Edward J. Nolan, M.D. 



Curators . . . Joseph Leidy, M.D., 



William S. Vaux, 

 Charles F. Parker, 

 R. S. Kenderdine, M.D. 

 30 



