a large product for future ages.  The silver country of Vasours comprises the mountainous regions between the Beas, Sainji and Parbutti rivers.  The mines, though previously worked, are now almost forgotten.  The same is the case with the Manikarn mines, hitherto known to be incalculably rich.  The annual product of the silver mines of Africa is estimated at the present time to be $40,000; and their total product to the present time has amounted to $389,000,000.

Silver, to the amount of $2,913,000,000, is estimated to have been obtained from the mines of the earth from the earliest times to the commencement of the Christian Era; from the date of the latter event to the discovery of America $521,000,000 were obtained; thence to the close of 1847, an addition of $6,025,000,000 was made; thence to the close of 1884, there was added $2,344,000,000; making a grand total of $11,803,000,000.  The average loss by abrasion of coin is estimated by Professor Bowen at one per cent. per annum; and the loss by consumption in the arts, and fire, and shipwreck at $5,000,000 per annum.  A cubic inch of silver is worth, at 48 3-4d., or 97 1-2 cents per ounce, $9.75; a cubic foot, $16.848; a cubic yard, $454,896.

Silver, to the amount of $900,000,000, is estimated to have been in existence at the commencement of the Christian Era; at the period of the discovery of America it had diminshed to $135,000,000; after the latter event it gradually increased, and in 1600 it attained to $391,000,000; in 1700, to $1,410,000,000; in 1800, to $3,622,000,000; in 1842, to 4,998,000,000; in 1853, to $4,945,000,000; and at the present the amount of silver in existence is estimated to be $5,504,000,000; which, melted into one mass, could be contained in a cube of seventy feet.  Of the amount of silver in existence $3,800,000,000 is estimated to be in coin and bullion, $1,200,000,000 in watches, and the remainder in plate, jewelry, and ornaments.  Of the amount now in existence $4,722,000,000 has been obtained from North America; $613,000,000 from South America; $59,000,000 from Europe; $50,000,000 from Asia (including Australia, New Zealand, and Oceanica); and $60,000,000 from Africa.  The amount of the precious metals in existence is estimated to be $13,670,000,000.

Silver, so far as its annual product is concerned, has varied greatly at different periods.  At the commencement of the Christian Era it is estimated to have been $4,200,000; at the period of the discovery of America it had diminished to $150,000; after that event it gradually increased, and in 1600 it attained to $9,000,000; in 1700, to $18,000,000; in 1800, to $38,000,000; in 1848, to $47,000,000; in 1863, to $63,000,000; and at the present time it is $114,000,000.