526 



BOARD OF AGRICULTURE. 



The difference in the moisture and in the mechanical condi- 

 tion of the above-stated articles controls largely their market 

 value. Samples I. and III. consisted of large pieces of fish 

 meat with fatty matter ; the valuation is based in these cases 

 on that of coarse fish scrap. Sample II. corresponds well 

 with a fair specimen of fish guano. 



Dried Fish. 



[Sent on from North Hatfield, Mass.] 



Peruvian Guano. 



[Sent on for examination, Taunton, Mass.] 



Moisture at 100° C, . 

 Total phosphoric acid, 

 Soluble phosphoric acid, . 

 Reverted phosphoric acid, 

 Insoluble i}hos])horic acid. 

 Potassium oxide. 

 Nitrogen (total). 

 Actual ammonia (equal to 5.43 

 Organic nitrogen. 

 Insoluble matter. 



per cent, nitrogen) 



I'er cent. 



10.13 

 14.31 

 1.66 

 4.91 

 7.74 

 2.16 

 7.20 

 6.60 

 1.77 

 4.66 



Valuation per 2,000 lbs., .... 

 Apparently an artificial product. 



$42 62 



