'1 883. 71 Trans. N. Y. Ac. Sci. 



street, etc., and the foundations of most of the buildings throughout 

 the city. 



Gray Gneiss, Willett's Point and Hallett's Point, Kings County, 

 N. Y. Many churches in Brooklyn, the Naval Hospital, etc. 



Marble, Manchester, \'t. Diexel & Morgan's building, church cor- 

 'ner 29ih street and Fifth avenue, etc. 



Also, many varieties from Swanton, West Rutland, Burlington, Isle 

 La Motte, etc., Vt. The " Sutherland " building at 63d street and Madi- 

 son avenue, residences at 58th street and Fifth avenue, etc. 



Marble, Lee, Mass. Turrets of Sr. Patrick's Cathedral, etc. 



Marble, Stockbridge, Mass. Part of old City Hall, New York, 



Marble, Hastings, N. Y. The University building, etc. 



Marble, Tuckahce, N. Y. Part of St. Patrick's Cathedral, residence 

 on the corner of 34th street and Fifth avenue, etc. 



Marhle. Pieasantville, N. Y., styled " Snow flake Marble." Greater part 

 of St. Patrick's Cathedral, Union Dime Savings Bank, many residences 

 and stores, etc. 



Also, many varieties from Canaan, Conn., Williamspott, Penn., Knox- 

 ville, Tenn., Carrara and Sienna, Italy, etc.; used generally, especially 

 for interior decoration, etc. 



Trap (Mesozoic Diabase), from many quarries along the " Palisades," 

 at Jersey City Heights, Weehawkeu, etc. Stevens' Insti ute, Hobcken. 

 N. J., Court House on Jersey Ci'.y Heights, old rubble-work buildings 

 at New Utrecht, etc., on the outskirts of Brooklyn, etc. 

 . Trap (Mesozoic Diabase), styled " Norwood Stone," from Closter, 

 N. J. Grace Episcopal Church, Harlem. 



Also, varieties from Graniteville, Sraten Is'and, N. Y., and Wechaw - 

 ken, N. J. 



Serpentine, Hoboken, N. J. Many private residences, masonry, etc., 

 in Hoboken. Also, varieties from Chester, Penn. 



In addition to the edifices referred to above, many public buildings 

 of importance are constructed of stone, e.g.: Prisons in the city and 

 on the islands, bridges in the Parks and over the Harlem river, in which 

 sandstone, limestone, granyte and gr.eis? are used. 



The sewers are constructed of gneiss from New York Island and 

 vi:inity, as well as of boulders of trap, granyte, etc., from excavations. 



The Croton Aqueduct, the High Bridge, the Reservoirs in the Cen- 

 tral and Prospect Parks and at 42d St., in wh'ch gneiss from the 

 n'icinity and granyte from New England were used. 



Th- walls, buildings, bridges and general masonry in the Parks 

 -are constructed of the following varieties of stone : 



Freestone (sandstone), from Albert, Dorchester, and Weston, N. B. 



