THE SALMON AND SALMON FISHERIES OF SWIFT- 
SURE BANK, PUGET SOUND, AND THE FRASER 
RIVER 1 
By George A. Rounsefeel, Ph. D., and George B. Kelez, M. A. 
& 
CONTENTS 
Page 
Introduction. By George A. Rounsefell 
and George B. Kelez 694 
The Pacific salmons 695 
Fishing districts 695 
Development of the fisheries 697 
Production and value 699 
Need for investigation 700 
Acknowledgments 701 
Gill net fishery. Bv George A. Rounse- 
fell 701 
Fraser River 701 
Early commercial development. _ 701 
Relative importance of different 
species 702 
Number of canneries . 704 
Evaluation of fishing intensity.. 704 
Company licensing system.. 704 
Nationality of the fishermen. 705 
Number of licenses 705 
Units of fishing effort 705 
Changes in gill-net boats 707 
Changes in the gill net 708 
Fishing seasons 709 
Changes in location of the 
canneries 710 
Seasonal occurrence of each 
species 711 
Puget sound 712 
Localities fished 712 
Relative importance of various 
species 713 
Trap fishery. By George A. Rounsefell.. 713 
Reef nets 713 
Construction of the traps 714 
Number in operation 716 
Locations fished 717 
Cannery expansion from the trap 
fishery 719 
Season 719 
Seasonal occurrence of each species.. 721 
Relative importance of each species 
and of each district 723 
1 Bulletin No. 27. Approved for publication May 28, 1938. 
Page 
The purse-seine fishery. By George B. 
Kelez 725 
Drag seines 725 
Development of the purse seine 726 
Early seines 726 
Scow seines 726 
Development of the modern 
purse-seine vessel 728 
Introduction of power 728 
Improvements in vessel de- 
sign 729 
Increase in vessel size 730 
Evaluation of fishing intensity 730 
Seasonal fluctuations in fleet size. 730 
Factors affecting seasonal in- 
tensity 730 
Size of summer and fall 
fleets on Puget Sound 731 
Size of cape seine fleet 733 
Changes in composition of the 
fleet 734 
Relation of vessel size to effi- 
ciency 736 
Seasonal occurrence of each species. . 740 
Puget Sound fishery 740 
Cape fishery 741 
Fishing seasons in different districts. _ 742 
Puget Sound 742 
Cape Flattery 744 
Relation of fishing intensity to sea- 
sonal occurrence 745 
Relative importance of each species.. 747 
Puget Sound 747 
Cape Flattery 748 
The troll fishery. By George B. Kelez 749 
Development of the fishery 749 
Importance 750 
Seasonal occurrence of cohos and 
kings 751 
Sport fishing 753 
Sockeye Salmon. By George A. Rounse- 
fell 754 
693 
