19 



b. Suite of ofold-bearino: cono:lomerates from the so-called 



"banket" reefs, near Johannesburg, South African 

 Republic. Collected by Mr. J. T. Curtis. 



c. Specimen illustrating the cross-section oE a tin-bearing 



pegmatite vein, Saxony. 



d. Specimen illustrating the cross-section of the Half-moon 



vein, Pioche, Nevada, collected by Mr. George W. 

 Maynard. 



e. Model illustrating the Black Rock silver vein, Butte, 



Mont., secured through the courtesy of Mr. W. D. 

 Thornton. 



15. Geological Model of Nantucket Island. Exhibited 



by the designer and maker, George C. Curtis. 



16. Model of New York Island. Colored as to Geology 



and exhibited by Dr. F. J. H. Merrill, of the New- 

 York State Museum. 



17. Series of Geological Maps vShowing Recent Pub- 



lished Results in the United States Geological 

 Survey, and Exhibited by the Same. 



a. Pyramid Peak and Truckee, areal sheets. 



b. Eranklin, Va., areal, economic and structure sheets. 



c. Wartburg and Briceville, Tenn., areal and economic. 



d. Peublo, Col., 8 sheets. 



e. Butte Special, Mont., topographic and economic. 



18. Set of Specimens. Exhibited by Professor R. E. Dodge, 



of Teachers College. 



a. Fault breccia from the Quarry Bed, Meriden, Conn. 



b. Cinders from the Ash Bed, Lamentation Mountain, 



Meriden, Conn. 



c. Strain slip cleavage from Wallingford, Vt. 



19. A Series of Andesites, Basalts, Tuffs, etc., from the 



Anti-Caucasus Mountains and Russian Armenia, 

 collected in September-October, 1897, ^7-^* ^* Hovey, 

 and exhibited by the Geological Department, American 

 Museum of Natural Historv. 



