Subjects 



Smoking plant: 



description and illustration. FL. 270; 

 Sep 164 



Snails : 



description of species. FL 323 

 utilization of starfish and snails. FL 39 



Snappers, red: 



distinguishing characters of two species of 

 Atlantic coast. Doc 993 



experimental fishing for; Part I, use of 

 hoop nets. Sep 195 



experimental fishing for. Part II, use of 

 mechanical reels. Sep 198 



Gulf of Mexico, commercial. Doc 1089 



Gulf of Mexico, fishery. IR 26 



Oregon's fishery explorations in the 

 Gulf of Mexico, 1950. Sep 277 



Social security ( See also Unemployment 

 insurance): 



for self-employed persons in fishery 

 industries. Sep 291 



protection for fishermen, 1944. Sep 69 



Sockeye salmon ( See Salmon, red or sockeye). 



Sodium arsenite: 



control of weeds. FL 27 



controlling vegetation in fish ponds with. 

 FL 10; IR 11 



Soft clams: 



canning. FL 84; RR 7 



culture. FL 13, 73 



larvae, seasonal abundance of. SSR-F 117 

 Sole: 



North Sea resources, study. SSR-F 13 

 Solubles ( See Fish meal). 

 Sonar: 



fish detection by. SSR 44 

 Sorter (See Fish sorter). 



Sorting table (See Fish culture). 



Sound devices: 



attempts to giiide small fish with. 

 SSR-F 111 



Soupfui , fishing craft (See Vessels, fishing 

 and research). 



South Africa ( See Union of South Africa). 



South American fisheries ( See also Fisheries; 

 Fishery products) Doc 931; FL 75, 

 227, 233, 240, 259, 266, 267. 329, 349; 

 SSR-F 26, 28. 



South Atlantic and Gulf fisheries (See Fish- 

 eries, South Atlantic). 



South Carolina: 



oyster canning industry in. Sep 14 



processed fish for chain store companies 

 operating in. MDL 49 



South Seas Colonization Company, Ebon Maru . 

 SSR-F 45 



Spain: 



fishing industry. FL 27 1 



Malaga, volume and value of the catch of 

 fish and shellfish, 1946. FL 272 



Spawning ( See Fish culture). 



Spearfish, description. SSR-F 82, 112 



Specialty products. FL 86, 88, 93, 188, 209, 

 275; RR 7, 18, 24; Sep 336; 

 SSR-F 104 



Specifications, Federal. Sep 314, 379 



Speckled trout (See Trout, brook). 



Spectrographic analysis of marine products. 

 IR 5 



Spencer F. Baird, research vessel ( See vessels, 

 fishing and research). 



Sphyrion lumpi (See ocean perch, parasite). 



Spiny lobster: 



description and life history. Doc 925; 

 FL 142 



identification, world distribution, and 

 United States trade. Sep 229 



of the Gulf of Mexico. FB 89 



United States production 1921-1949, and 

 imports, 1920-1949. Sep 293 



utilization. Doc 925 



238 



