356 



U. S. BUREAU OF FISHERIES 



From time to time mackerel have been packed in an experimental 

 way, but the production was never large. In 1928, however, 18 

 plants devoted their operations in whole or in part to the canning of 

 mackerel. The production during that year amounted to 392,421 



THOUSANDS OF CASES 



THOUSANDS OF DOLLARS 



1900 



1905 



1910 



1915 



\9Z0 



1928 



FiGUKE 8. — Trend in production and value of California i)ack of canned salmon, !!)00-J'J28 



standard cases of forty-eight 1-pound cans, valued at $1,021,595. 

 This represented 97 per cent of the entii'c United States production 

 of canned mackerel, the remainder being packed in Massachusetts. 

 This species is not seasonal in character, as mackerel seem to be found 



