394 



BOAED OF AGKICULTURE. 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Nitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : — 



12 2 pounds of soluble phosphoric acid, 

 188. pounds of reverted phosphoric acid, 

 347.4 poimds of insoluble phosphoric acid, . 



^1. pounds of nitrogen, ... 



Per cent. 



3.48 



27.38 



.61 



9.40 



17.37 



2.85 



.46 



$0 98 



14 10 



17 37 



8 55 



$41 00 



Swift Siire Guano. 



(M. L. Shoemaker, Philadelphia; collected of H. W. Gaylord, South Hadley Falls, 



Mass.) 



Guaranteed composition: Ammonia, 8 to 9 per cent, 

 (equivalent to nitrogen, Q.6 to 7.4 per cent.) ; total phospho- 

 ric acid, 13 to 14 per cent. 



Per cent. 



Moistiu-e at 100° C, 5.24 



Total phosphoric acid, . 

 Soluble phosphoric acid. 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid. 

 Nitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : — 



5.8 pounds of soluble phosphoric acid, 

 71.4 pounds of reverted phosphoric acid, 

 224.2 pounds of insoluble phosphoric acid, • 

 124. pounds of nitrogen, .... 



$37 81 



C. A. GOESSMANN, 



State Inspector. 



