Mississippi Delta grounds, Gulf of Mexico, 

 FIR V. 5 no. 4, p. 170 



Sailfish — see Pacific sailfish 



Salmo gairdneri — see Rainbow trout 



Salmon — see Chinook salmon; Chum salmon; Coho 

 salmon ; Masu salmon ; Pink salmon ; Sockeye 

 salmon 



Salmon 



Columbia River 



causes of rise in hatchery yields, FL 623 

 future hatchery production, FL 623 

 hatchery program, FL 623 

 recent advances in artificial culture, FL 623 



Salmo trutta — see Brown trout 



Salvelimis alpinus — see Arctic char 



Salvelinus malma — see Dolly Varden 



Salvelinus namaycush — see Lake trout 



Sardinella aurito — see Gilt sardine 



Sashin Creek, Alaska, S 587, S 589 



Saurida tumbil — see Red Sea lizardfish 



Scale characters 



juvenile salmon, C 317 



life history features that influence, C 317 



Pacific salmon, C 317 



steelhead trout, C 317 



Scale description 



Chinook salmon, C 317 

 chum salmon, C 317 

 coho salmon, C 317 

 masu salmon, C 317 

 pink salmon, C 317 

 sockeye salmon, C 317 

 steelhead trout, C 317 



Scomber japonicus — see Chub mackerel 



Sculpins 

 Green Bay 



bottom trawl explorations, 1963-65, C 297 

 Lake Superior 



bottom trawl explorations, 1963-65, C 294 

 northern Lake Michigan 



bottom trawl explorations, 1963-65, C 318 

 southern Lake Michigan 



abundance, seasonal availability and depth 

 distribution, 1962-65, C 301 



Seals — see Fur seals 



Sea mussels 

 opening, using microwave energy, FIR v. 4 no. 7, 

 p. 247 



Seattle, Washington, C 316, C 326, C 329 



Semotilus atrom^culatus — see Creek chub 



Sheepshead — see Fresh-water sheepshead 



Shiner — see Spottail shiner 



Shortbill spearfish 



central Pacific Ocean, C 311 



Shrimp — see Royal-red shrimp 



Shrimp 



problem of "green" frozen raw breaded 



determining nature of coloration, FIR v. 5 no. 1, 



p. 2 

 determining source of contamination, FIR v. 5 



no. 1, p. 6 

 remedying problem of coloration, FIR v. 5 no. 1, 



p. 10 

 spot and dock 



determining escape behavior of, FIR v. 5 no. 4, 



p. 152 

 pot efficiency, measured by ease of shrimp entry, 



FIR V. 5 no. 4, p. 153 

 pot efficiency, measured by ease of shrimp exit, 



FIR V. 5 no. 4, p. 157 



Silver Bay — see Vessels 



Silver salmon — see Coho salmon 



Silver salmon 



use of sodium tripolyphosphate to control 



shrinkage during hot-smoking, FIR v. 5 no. 3. 

 p. 105 



Skipjack tuna 

 distribution of 



juveniles, S 580 

 larvae, S 580 

 fecundity, S 580 

 food of, S 593 

 larvae collected in northwestern Gulf of Guinea. 



Feb.-Apr. 1964, D 36 

 larvae collected in northwestern Gulf of Guinea. 



Aug.-Oct. 1964, D 37 

 ovaries 



nematode infestation, S 580 

 stages of development, S 580 



Slimy sculpin 



Katmai National Monument, Alaska, S 590 



Smelt 



Green Bay 



bottom trawl explorations, 1963-65, C 297 



27 



