No. 216.] 585 



Mr. D. J. Brown presented for distribution, an improved variety of 

 Indian corn, raised by John Brown, of Long Island, in Lake Wini- 

 pissiogee in New Hampshire, in lat. 43° 40' The following ac- 

 count of it is extracted from the 3d number of the American Agri- 

 culturist, volume VI., for March, 1847, viz: The island on which 

 my farm is, comprises about 1,100 acres. A large portion of it is 

 good arable land ; the soil brownish yellow loam and where culti- 

 vated, is warm and retentive of manures. The sub-soil is of a bright 

 yellow, underlaid by a hard pan. A specimen of the soil from a 

 highly cultivated field, which had produced 130 bushels of corn to 

 the acre, was analyzed by Dr. C. T. Jackson, of Boston, and gave 

 the following results. Mechanical separation of 1,000 grains of 

 gravel, sand and loam. 



Coarse pebbles - - 90 



Fine do 260 



Fine loam - 650 



1,000 



Chemical analysis of 100 grains 



Insoluble Silicates 80.8 



Peroxide of Iron - 2.2 



Alumina 4.0 



Salts of Lime 0.4 



Magnesia (a trace) 



Phosphate of Alumina (a trace) - 



Vegetable matter 8.7 



Water 3.9 



100. 



500 grains of the soil were digested in boiling water, 2-3 grains 

 dissolved J the solution was of a yellow color, consisting of 



Vegetable matter 2.0 



Mineral 0.3 



2.3 



The residue from the solution before burning, was acid, and after 

 burning, alkaline. The acid was then a vegetable acid. The follow- 

 ing substances were taken up by the water, viz: Muriatic, sulphuric, 

 carbonic, and phosphoric acids, soda, lime, magnesia, silica, iron 

 and manganese. 



