Addi'iioas to the Museum. 23 



Galena Silver Ore, witli accompaiijing s}3eciinen of extracted lead 



and silver. Humboldt, JS^evada. 

 Galena Silver Ore. Idalio. 



Silver Ore yielding $350 per ton. Austin, Xevada. 

 Copper Silver Ore, $250 per ton ; two specimens. Aurora, Nevada. 

 Silver Ore. Carter Dist,, Nevada. 

 Gold-bearing Quartz. Grass Yalley, Cal. 

 Smelted Silver Ore. Austin, Nevada. 

 Copper Silver Ore. Panagar Dist., Nevada. 

 Galena. Santa Fe, Nev/ Mexico. 

 Copper Ore. Copperopolis, Cal. 

 Bitumen. California. 



Tufa, from extinct volcano. Middle Park, Cal. 

 Calcareous Tufa, from Boiling Spring, Humboldt Co., Nevada. 

 Agate. Fort Bridger, Pockv Mts. 

 Obsidian. Glass Mt., Esmaraldo Co., Nevada ; two spec. 



From Hon. Alex. S. Johnson, IJtica, N. Y. 

 Specimens of Ortboceratites in Utica Slate. 

 Six specimens of TriartJirus Bechii Green and six of Trematis 



fdosa Hall, in' Utica Slate. 

 Numerous specimens of Coal-plants and Pock specimens, from Morris 



Pun, Penn. 



From Jacob Yroman, Schoharie, N. Y. 



Waterlime, contaiidng fine crystals of calcareous spar, from quar- 

 ries at Howe's Cave. 



From Dayton Ball, Albanj^, N. Y. 



Cryolite, from Greenland ; procured by the Pennsylvania Salt Co., at 

 Natrona, West Penn. 



From John M. Scribner, Middleburgh, N. Y. 



A specimen of Grammysia magna Hall, from, the sandstones of the 

 upper Hamilton beds of his quarries. 



From Charles Yan Benthutsen, Albany, N. Y. 

 Four Coal-plants {Sigillaria^ Lepidodendron, etc.), from Scran ton. 

 Pa. 



