No. 7. DEPARTMENT OP AGRICULTURE. 665 



In aramoniates such as dried blood and fish giiano, the unit is of 

 ammonia, of which 82.35 per cent, is nitrogen; in acid phosphate, 

 the unit is phosphoric acid (phosphorous pentoxid). 



Except in case of fish guano, which shows a marlied advance over 

 last year, the prices of ammoniates have decreased from three to 

 ten per cent. 



The following summary is taken from the Oil, Paint and Drug 

 Reporter: 



Phosphates: The total production of the United States is esti- 

 mated at 1,917,000 long tons in 1907, against 2,052,742 in 1906. 



The financial disturbances of last fall were not to any great ex- 

 tent influential in weakening the market, list prices ruling as fol- 

 lows: 



Phosphate rock ground, f. o. b. Charleston, 2,000 lbs. |6.75 (r^ 

 $7.00; South Carolina phosphate rock, undried, per 2,400 lbs. f. o. b. 

 Ashley River, |5.75 @ $6.00; South Carolina phosphate rock hot air 

 dried, f. o. b. Ashley River, $7.00 @ $7.25; Florida land pebble, f. o. 

 b. Port Tampa, Fla., $7.50 @ $7.75; Florida H. G. Phosphate, f. o. b. 

 Florida and Georgia ports, $10.25 (a) $10.60; Tennessee Phosphate 

 rock, f. 0. b. Ml. Pleasant, 78 and 80 per cent., per ton, $6.50 @ $6.75; 

 75 per cent, guaranteed, $6.00 @ $6.25; 68—72 per cent., $4.00 @ 

 $4.25. 



Raw Materials of Acid Manufacture. 



Brimstone. — The year opened with prices sustained at $22.12^ @ 

 $22.50, but during the summer, conditions arose which brought 

 about a drop in the price to $19.50. 



Pyrites. — The following were the prices ruling at the end of the 

 year 1907, being but | cent lower on each description than the 

 opening: 



Spanish crude unwashed fines 48 @ 52 per cent., 10| @ 11; Span- 

 ish Smalls washed ore, 8f @ 9^; Lump ore, 48 @ 52 per cent, 12^ 

 @ 13; Domestic pyrites fines, 45 per cent. S. 8f @ 10|; Furnace size, 

 45 per cent, sulfur, lOf @ 11^. 



Sulphuric Acid. — Prices have shown no variation from the basis 

 of 1 cent and upwards for 60 degrees according to quality. 



Potash Salts.— The reports of the U. S. Bureau of Statistics show 

 the following entries for consumption during the fiscal year 1906 

 and 1907: 



This trade is so managed that by March nearly all wholesale de- 

 liveries of the year are contracted for. The prices for ])otashes as 

 announced by the German Potash Syndicate on the basis of large 

 lots sold through brokers and delivered at Boston, New York or 

 Philadelphia, are shown in the following table. This schedule sliowg 

 no change from the list ruling during the preceding year: 

 43 



