GENERAL INDEX 
859 
Rounsefell, George A. and George B. Kelez— Contd. Page 
The purse-seine fishery.. 725 
Drag seines. . 725 
Development of the purse seine 726 
Development of the modern purse-seine vessel 728 
Evaluation of fishing intensity 730 
Seasonal fluctuations in fleet size 730 
Changes in composition of the fleet 734 
Relation of vessel size to efficiency 736 
Seasonal occurrence of each species 740 
Pugot sound fishery. 740 
Cape fishery 741 
Fishing seasons in different districts 742 
Puget sound 742 
Cape Flattery - 744 
Relation of fishing intensity to seasonal occurrence. . 745 
Relative importance of each species.. 747 
Puget Sound 747 
Cape Flattery 748 
The troll fishery 749 
Development of the fishery 749 
Importance 750 
Seasonal occurrence of cohos and kings 751 
Sport fishing 753 
Sockeye salmon .. 754 
Genera! life history 754 
Sockeye rivers of the region 756 
Migration in salt water 758 
Total pack of the Fraser River system 758 
Method and locality of capture 759 
Changes in abundance of different portions of the 
run 763 
Coho salmon 781 
Life history 781 
Locality of capture by different types of gear 784 
Seasonal occurrence in various areas 786 
King salmon 795 
Life history 795 
Locality of capture by different types of gear 797 
Seasonal occurrence in different areas 799 
Seasonal occurrence of red and white king salmon. 800 
Changes in abundance 803 
Pink salmon __ 804 
General life history 804 
Migration 805 
Method and locality of capture 805 
Seasonal occurrence in northern and southern 
districts. .. 808 
Changes in abundance between early and late 
years 808 
Indices of abundance from traps 811 
Abundance from purse-seine catches 812 
Comparison of purse-seine and trap indices 812 
Chum salmon 813 
General life history 813 
Method and locality of capture 814 
Seasonal occurrence in northern and southern 
districts 814 
Abundance from Admiralty Inlet traps 815 
Abundance from purse seines 815 
rudderfish 331 
Salmon, pink, Oncorhynchus gorbuscha, the homing instinct 
and age at maturity of 27-39 
salmon, pink 27-39, 643-666, 667, 695, 804-812, 820 
Salmon and salmon fisheries of Swiftsure Bank, Puget 
Sound, and the Fraser River 693-823 
seabrem 332 
lamprey 321 
raven 335 
robin, red-winged. 336 
snail 336 
striped 336 
Page 
Sarda sarda 330 
sargassum fish 341 
sauger - 213 
scad, mackerel 331 
big-eyed 331 
Schroeder, William C. and Henry B. Bigelow: Supple- 
mental notes on fishes of the Gulf of Maine 319-343 
Scomber scombrus 329 
Scomberesox saurus 328 
sculpin, deep-sea.. 335 
hook-eared 335 
longhorn — 335 
mailed 335 
sea trouts (weakfishes). 91 
seaweed fish, spotted — 576 
Sebastes marinus.. — 334 
Selene vomer 332 
Seriola zonata - 331 
shanny, Arctic - ... 337 
radiated. . 337 
shark, dusky 321 
great blue 321 
greenback. 323 
hammerhead 322 
mackerel 322 
sharp-nosed 322 
shovel-head. 322 
thresher.. 322 
white 322 
sbeepshead 526 
Shrimp, common, Penaeus setiferus, preliminary report 
on the life history of 1-26 
shrimp, lake.. 1 
Sicyonia sp 2 
silver salmon 667, 695, 781-794, 819 
silverside salmon 667, 695, 781-794, 819 
skate, barn-door.. 325 
big 324 
brier. 325 
little.... — 324 
prickly... 324 
smooth 325 
Smith, Robert O., Vera Koehring, Paul S. Galtsoff and 
Herbert F. Prytherch: Effects of crude oil pollution on 
oysters in Louisiana waters 143-210 
sockeye salmon. 667,695,754-778,819 
sole, A.:merican 630 
Somniosus microcephalus. 323 
Southeastern Alaska: 
Races of herring ( Clupea pallasii) in 119-141 
The migrations of pink salmon ( Oncorhynchus gor- 
buscha ) in the Clarence and Sumner Straits regions 
of.. 643-666 
spadefish 534 
Spanish mackerel 508 
spearfish (marlin).. 330 
Spheroides maculatus— 334 
Sphyraena borealis 329 
spring salmon 695, 795-803, 819 
Squalus acanthias — 322 
Stellifer lanceolatus 75 
Stichaeus punctatus 337 
Stream pollution, detection and measurement of— 365-437 
sturgeon, common 326 
short-nosed 326 
sucker 213 
Supplemental notes on fishes of the Gulf of Maine 319-343 
swordfish 330 
Syngnathus fuscus 329 
pelagicus 329 
