Trans. A'. Y. Ac. Sci. ^% Jan. 29^ 



among- the stone buildin^^s (95.7 per cent), and is employed almost al- 

 together for the fronts of residences. Very few iron buildings occui . but 

 over three times as many stucco-fronts as in New York. The frame 

 buildings predominate, particularly in the outskirts, e.g., Long Island 

 City (80.5 per cent). 



In Staten Island, stone enters in very small proportion into the 

 fronts of buildings, though commonly employed, as in New York and 

 throughout this district, for the dressing of apertures, the walls of en- 

 closures, and other masonry. 



In Jersey City, the proportions of the materials are much as in 

 Staten Island. The selection of the dark trap from the Heights behind 

 the city, for the construction of many fronts or entire buildings, is a 

 local feature of interest. 



In Hoboken, the same general features prevail as in Jersey City. 



The annual reports of the Committee on Fire Patrol of the New- 

 York Board of Fire Underwriters, for the years 1881 and 1882, have 

 yielded the following statistics, which, so far as they go, closely ap- 

 nroximate my own : 



Number cf buildings. 



South of Canal street iO'553 



Betw een Can;^! and Fourteenth streets , 26,700 



Between Fourteenth and Fifty-ninth streets 33.8 15 



Between Fifty-ninth street and Harlem River 18,746 



Total 89,814 



The materials of construction for this district, which does net include 

 the 23d and 24th Wards, North of the Harlem river, are reported as- 

 follows : 



Brick, with stone trimmings, and, in part, with stone 



facings 64,783 



Brick and frame , 3,616 



Frame. . .. 21,415 



II. The Building Stones, their Varieties, Localities, and Edifices 



Constructed of Each. 



An exceedingly rich and varied series is brought to our docks, and 

 the number and variety are constantly increasing. A few of the more 

 important may be here mentioned. 



Freestones (Carboniferous Sandstone), commonly styled " Nova 

 Scotia Stone," or " Dorchester Stone," in various shades of buff, olive- 

 yellew, etc., from Hopewell and Mary's Point, Albert, N. B., and fronx 

 Wood Point, Sackville, Harvey, and Weston, N. B., Kennetcook, N. S., 

 etc. A very large number of private residences in New York and 



