748 U. S. BUREAU OF FISHERIES 



Pack of canned tuna and tunalike fishes, 1921 to 1929 — Continued 



2 Includes 25,253 cases of tuna flakes, valued at $102,129, which have been credited to the various species 

 as packed. 

 Note. — Shown in standard cases of forty-eight H-Pound cans. 



MACKEREL 



In 1929 mackerel were canned at 18 plants in California, and 3 

 plants in Massachusetts. An equal number of plants operated in 

 California last year. However, there is a decrease of 1 plant in 

 Massachusetts. The total production amounted to 602,283 stand- 

 ard cases of forty-eight 1-pound cans valued at $2,515,742. This is 

 an increase of 51 per cent in quantity and 47 per cent in value as 

 compared with the pack and its value for 1928. This is by far the 

 largest pack of mackerel on record. 



Pack of canned mackerel, 1929 



' Includes a few cases packed in 8-ounce cans, 72 to the case, which have been converted to the equiv- 

 alent of 8-ounce cans, 48 to the case. 



' Includes a few cases packed in 8-ounce cans, 24 to the case, which have been converted to the equiv- 

 alent of 14-ounce cans, 24 to the case. 



Note.— "Standard cases" represent the various sized cases converted to the equivalent of forty-eight 

 1-pound cans to the case. 



Pack of canned mackerel, 1928 and 1929 



Note. — Shown in standard cases of forty-eight 1-pound cans to the case. 



ALEWIFE PRODUCTS 



In 1 929 alewives or alcwife roe were canned at 9 plants in Mary- 

 land, 21 in Virginia, and 2 in North Carolina — a total of 32 plants or 

 4 more than in 1928. The output consisted of 68,445 standard cases 

 »^f canned alewives valued at $246,773 and 28,819 cases of alewife roe 



