[121] FISHERIES OF THE UNITED STATES. 1151 



derived from fish. 

 Albumen. 



Prepared from eggs of cod and other fish. Osterville,Mass. United 

 States Albumen Manufacturing Company. Uno H. Hillman, 

 superintendent. 



29. Fertilizers. 



fish guanos. 

 Guano. 



Made from waste skins and bones of cod, cusk, hake, &c. 



1. "Guano manufactured from salt fish, and bones, waste that has 



been removed in preparing boneless fish for the market. In 

 1882 there were 3,000 tens of this waste ; it bad a market value 

 of $12 per ton. According to an analysis by S. P, Sharpies, 

 United States assayer, this guano contains: Phosphoric acid, 

 9.67 per cent.; equal to bone phosphate, 21.10 per cent.; nitro- 

 gen, 8.45 per cent.; equal to ammonia, 10.26 per cent.; moist- 

 ure, 5.30 per cent. 



2. "Gutfno from skins of cod and cusk, after the glue has been 



removed. According to an analysis by S. P. Sharpies, United 

 States assayer, this guano contains : Phosphoric acid, 9.38 per 

 cent. ; equal to bone phosphate, 20.47 per cent. ; nitrogen, 8.12 

 per cent. ; equal to ammonia, 9.86 per cent. ; moisture, 5.23 per 

 cent. 



3. "Guano from pollock skins and scales, after the glue has been 



removed. According to an analysis by S. P. Sharpies, United 

 States assayer, this guano contains : Phosphoric acid, 15.82 per 

 cent. ; equal to bone phosphate, 34.53 per cent. ; nitrogen, 8.65 

 per cent. ; equal to ammonia, 10.50 per cent. ; moisture, 6.29 per 

 cent. 



4. "Guano from halibut heads, after the oil has been removed. Ac- 



cording to an analysis by S. P. Sharpies, United States assayer, 

 this guano contains : Phosphoric acid, 12.89 per cent. ; equal to 

 bone phosphate, 27.14 per cent. ; nitrogen, 5.29 per cent. ; equal 

 to ammonia, 6.42 per cent. ; moisture, 5.11 per cent. 



5. "Guano from fresh fish heads after the glue has been removed. 



According to an analysis by S. P. Sharpies, United States as- 

 sayer, this guano contains : Phosphoric acid, 20.22 per cent.; 

 equal to bone phosphate, 44.14 per cent.; nitrogen, 6 52 per 

 cent.; equal to ammonia, 7.91 per cent.; moisture, 3.48 per 

 cent." (J. 8. Rogers.) Gloucester, Mass. Gloucester Isinglass 

 and Glue Company. 



Fish-guano. 



Prepared from cooked skins of cod and cusk after the glue has been 

 pressed out. Gloucester-, Mass., 1882. 56,921. Eussia Cement 

 Company. 



