164 U. S. BUREAU OF FISHERIES 



Production of fresh-water mussel-shell products, 1930 



' Includes cut shells, stucco, colored and natural color shells and shell chips used for decorative purposes 

 and " pearl novelties. " 

 2 A small production made in other States has been included with Iowa. 



MARINE PEARL-SHELL PRODUCTS 



In 1930 statistics on the marine pearl-shell industry were obtained 

 for the first time in connection with the canned fishery products and 

 by-products survey. The value of the products of this industry 

 amounted to $4,544,147. Of this value, pearl buttons alone accounted 

 for 81 per cent, the remaining 19 per cent consisting of novelties, such 

 as buckles, knife and revolver handles, inlays for jewelry, ornaments, 

 etc. Of the total production, New Jersey accounted for 33 per cent 

 of the value and New York 17 per cent. The total production of 

 finished pearl buttons from marine pearl shells amounted to 4,484,393 

 gross, valued at $3,699,313. 



Marine pearl-shell products were manufactured at 1 plant in 

 Maine, 2 in Massachusetts, 3 in Rhode Island, 4 in Connecticut, 12 

 in New York, 18 in*New Jersey,' 2 in Pennsylvania, 1 in Delaware, 1 

 in Maryland, 1 in Florida, and 4 in California. 



Production of marine pearl-shell products,^ 1930 



' Produced principally from imported shells. 



' Includes buckles, knife handles, revolver handles, inlays for jewelry, ornaments, etc. 



MENHADEN INDUSTRY 



In 1930, 1 menhaden factory was operated in Connecticut, 2 in 

 New Jersey, 2 in Delaware, 10 in Virginia, 11 in North Carolina, 1 in 

 South Carolina, 1 in Georgia, and 5 in Florida — a total of 33 factories, 

 or 4 less than in 1929. These plants utilized 611,213,000 fish in the 



