g6 Mineralogy — By Exchange 



D. I. GARRETSON, New York City. 



i Specimen Quartz Conglomerate, Long Island. 

 Mrs. J. W. HASLEHURST, New York City. 



q Specimens Obsidian, Wyoming. 



i Specimen Opalized Wood, Montana. 



i Specimen Silicified Wood, with chalcedonic layers replacing cam- 

 bium, Livingston, Mont. 



2 Specimens Pyropes {garnet), Alaska. 

 C. W. HOADLEY, Englewood, N. J, 



i Specimen Muscovite on trap rock, Fort Lee, N. J. 

 Dr. E. O. HOVEY, New York City. 



i Specimen Dolomite. 



1 Specimen Talcose Schist. 

 H. McMANUS, New York City. 



2 Specimens Hiibnerite, Madison Co., Mont. 

 EMIL MOSONYI, Guatemala City. 



i Specimen Silicified Palmetto. 



i Specimen Opalized Wood. 

 A. OPERTI, New York City. 



Quartz Crystals, Cape Sheridan, Arctic North America. Peary Ex- 

 pedition, 1909. 

 HERMAN PAPKE, Jersey City, N. J. 



Photograph, new Erie Railroad cut, Jersey City, 1910. 

 Miss ELVINE RICHARD, New York City. 



1S4 Miscellaneous Mineral Specimens, principally polished Agates. 

 WM. J. SMITH, New York City. 



10 Miscellaneous Mineral Specimens. 

 G. O. SIMMONS, Brooklyn, N. Y. 



1 Specimen Diabantite, Upper Montclair, N. J. 

 Dr. CARLOS de la TORRE, Havana, Cuba. 



Gold in plates, in a decomposed igneous rock, Holquin Mines, Cuba. 

 G. D. VAN ARSDALE, New York City. 



3 Specimens of a mixture of Carbon, Suiphur, Vanadium and 



Uranium; near Quisqueite, Utah. 

 1 Specimen Carnotite in sandstone. 



By Exchange 



CHARLES DANZIGER, New York City. 



1 Specimen Quartz Pseudomorph, West Paterson, N. J. 



1 Specimen Hematite on quartz, West Paterson, N. J. 



1 Specimen Pectolite, West Paterson, N. J. 

 HENRY C. JENKINS, New York City. 



3 Lantern Slides and 1 Print illustrating Diamond Diggings at Minas 

 Geraes, Brazil. 

 Prof. R. A. A. JOHNSON, Canadian Geological Survey. 



1 Specimen Barite on Fluorite, Madoc, Hastings Co., Ontario. 





