838 



U. S. BUREAU OF FISHERIES 



were cusk, halibut, and pollock. Of the total catch, 43 per cent 

 ■were taken in South Channel, 21 per cent on Browns Bank, and 13 

 per cent on Georges Bank. Other banks on which considerable 

 quantities of fish were taken by line trawls were Jeffreys Ledge and 

 Sable Island Bank. 



Hand lines. — A hand-line fishery was prosecuted by 31 vessels in 

 1929. These vessels made 274 trips to nine main fishing grounds, and 

 were absent from port, 2,221 days, or an average of about 8.1 days 

 per trip. Their catches aggregated 9,036,327 pounds, or 3 per cent 

 of the total landings at the three ports. Of this amount, cod consti- 

 tuted 82 per cent, haddock 9 per cent, and pollock 5 per cent. Only 

 minor amounts of other species were taken by hand lines. Of the 

 total catch, 70 per cent were taken on Georges Bank and 13 per cent 

 on Nantucket Shoals. Other grounds on which considerable quan- 

 tities of fish were taken by hand lines are Cape Shore and Browns 

 Bank. 



Harpoons. — A fishery with harpoons was prosecuted by 81 vessels 

 in 1929. These vessels made 296 trips to 5 main fishing grounds, and 

 were absent from port 4,557 days, or an average of about 15.3 days 

 per trip. Their catch amounted to 4,464,613 pounds of swordfish 

 and 7,258 pounds of other fish, or a total a little over 1 per cent of 

 the total landings by vessels at the three ports. Of the total catch, 

 91 per cent were taken on Georges Bank. 



Otter trawls, large vessels. — A fishery with otter trawls was prosecuted 

 by 64 vessels of 91 net tons and over in 1929. These vessels made 

 1,240 trips to eight main fishing grounds, and were absent from port 

 10,839 days, or an average of 8.7 days per trip (7.7 days in 1928). 

 This is an increase of 21 vessels over the number operated in 1928, 

 an increase of 24 per cent in the number of trips, and an increase of 

 39 per cent in the number of days absent. The catch amounted to 

 92,674,689 pounds, or 28 per cent of the total landings by vessels at 

 the three ports. Of the total 81 per cent consisted of haddock, 10 per 

 cent of cod, 3 per cent each of flounders, hake, and pollock. Only 

 minor quantities of other species were taken by large otter trawls. 

 Of the total catch, 66 per cent were taken on Georges Bank and 30 per 

 cent on South Channel. Only minor catches were made on the other 

 grounds where large otter trawlers fished. 



Cod, haddock, and hake, landed at Boston and Gloucester, Mass., and Portland, 

 Me., by large otter trawlers and large V-D otter trawlers in various years, 1908 

 to 1929 



Otter trawls, medium vessels. — A fishery with otter trawls wasTalsoj 

 prosecuted by_96 vessels of 21 to 90 net tons, inclusive, m 1929.J 



