REPORT OF THE DIRECTOR I919 



37 



Ruedemann R. — continued 



Ordovician (Trenton) shale in town of Alburg, Vt., at Wind- 

 mill Point 5 



Ordovician (Trenton) shale in town of Alburg, Vt., at ice-house 



of Rutland R. R 34 



Ordovician (Trenton) shale at Cumberland Head 44 



Gould, Rev. E. W. & R. Ruedemann 



Ordovician (Canajoharie) shale and Trenton limestone. Lake 



shore at Panton, Vt., north of Arnolds bay 53 



Clarke, John M. 



Thylacocrinus gracilis (Hall) Hamilton shales, Bethany, N. Y.... i 



MINERALOGY 



Donation 

 Col. William B. Thompson, Cobalt, Canada 



I Silver and bismuth 

 J. B. Lain, Kennicott, Copper Co., Alaska 



I Chalcopyrite Latouche, Alaska 



I Malachite Latouche, Alaska 



Purchase 



Ward's Natural Science Establishment 



3 Opals (precious) Virgin Valley, Humbolt co., Nevada 



Wright, William K., Niantic, Conn. 



A geode cavity partly filled with banded chalcedony (onyx) and lined 

 with quartz of peculiar crystal form. From Desolation islands, o£f west 

 coast of Tierra del Fuego, S. A. 



Exchange 



Holzman, John, Newark, N. J. 



1 Hematite (specular) 



2 Molybdenite in hornblende 



3 Cuprite in chrysocoUa 



4 Stibnite 

 Pope, F. J., Yonkers 



I Bornite 

 I Asbestos 



I Sphalerite on chert 

 I Polished lapis-lazuH 

 I Chalcocite 

 Mott, E. C, Yonkers 



Malachite 



Azurite 



Cuprite 



Malachite 



Silver 



Annabar 



Crysocolla 



Amethyst 



Lake Superior, Mich. 

 Tintic District, Utah 

 Tintic District, Utah 

 Elco, Nevada 



Magma Mine, Superior, Ariz. 



Globe, Ariz. 



Miami, Okla. 



Cordillera de Ovalle, Chili, S. A. 



Kennicott Mine, Alaska 



Gila CO., Ariz. 

 Bisbee, Ariz. 

 Gila CO., Ariz. 

 Bisbee, Ariz. 

 Ontario, Canada 

 Terlingua, Texas 

 Gila CO., Ariz. 

 West Paterson, N. J. 



