756 V. S. BUREAU OF FISHERIES 



Production of marine-animal meal and scrap, 1921 to 1929 



GLUE 



In 1929 liquid glue was manufactured at 1 plant in Maine, 5 in 

 Massachusetts, and 1 in California. The production amounted to 

 539,937 gallons valued at $1,298,096. This is an increase of 6 per 

 cent in quantity and 4 per cent in value compared with the production 

 and value in the previous year. Both quantity and value are larger 

 than those in any year during the period 1921 to 1928. 



Production offish glue, 1921 to 1929 



OYSTER-SHELL PRODUCTS 



In 1929 oyster-shell products were manufactured at 2 plants in 

 Rhode Island, 1 in Connecticut, 5 in New Jersey, 4 in Pennsylvania, 

 7 in Maryland, 7 in Virginia, 2 in North Carolina, 4 in South Carolina, 

 2 in Florida, 2 in Alabama, 6 in Mississippi, 5 in Louisiana, 2 in Texas, 

 and 1 in California — a total of 50 plants or 3 more than in 1928. 

 These plants produced 262,232 tons of crushed oyster-shell for poultry 

 feed valued at $2,223,853 and 72,534 tons of oyster-shell lime valued 

 at $300,646— a total of 334,766 tons valued at $2,524,499. Compared 

 with the total production of these products in 1928, there was an 

 increase of 9 per cent in quantity and 3 per cent in value. The com- 

 bined production in Louisiana, Texas, and California accounted for 44 



