Subjects 



Catostomus commersoni ( See Sucker, white). 

 Caviar (See Fish roe). 

 Caviar, canning (See Canning). 

 Central Valley ( See California). 

 Chain pickerel: 



life history. FL 166 

 Channel catfish: 



culture in Texas. PFC v. 13, no. 1 A 



description. FL 133 



propagation. PFC 44 E 



propagation, artificial. PFC v. 9, no. 1 E 



tagging in West Virginia. PFC v. 10, 

 no. 3 H 



Charles H. Gilbert, research vessel (See 

 Vessels, fishing and research). 



Charter boats. SSR-F 7 



Check list of fishes. Doc 1055 



Chicago, 111. , trade in fresh and frozen 

 fishery products. EC 54 



Chicago, 111. , wholesale receipts of fishery 



products. Sep 58, 118, 162, 223, 234 



Chesapeake Bay (See also Fisheries, Chesa- 

 peake): 



blue crab, abundance, decline in 1940-41. 

 SSR 16 



blue crab, abundance; fluctuations in, 

 1948. RR 14 



blue crab, effect of DDT on. Sep 114 



crab industry ( See also Crabs). FL 358; 



Sep 191 

 fishes. Doc 1024 

 soft crab industry. FL 184 



sport fishing in. FC 1 



waters, offshore, biological study. 

 Doc 1091 



Chilodon ( See Parasites, protozoan). 

 Chinook salmon (See also Salmon, chinook): 

 biological investigations. SSR-F 56 



canning. FL 80; RR 7 



Columbia River, fluctuations in abundance, 

 1935-45. FB 51 



Columbia River, spawning nests. FB 61 



Columbia River, troll catch, estimation 

 of. SSR 50 



Columbia River, weight variations, intra- 

 seasonal and interseasonal. SSR 34 



fingerlings reared in circular tanks and 

 Foster-Lucas ponds; comparison of 

 growth rates. PFC v. 14, no. 3 G 



fingerlings reared in ponds, troughs, 

 and circular tanks; a comparison. 

 PFC V. 14, no. 2 H 



growth and degree of maturity in the ocean. 

 Doc 974 



life history. Cir 24, 25; FL 14 



spawning and seaward migrations. FB 61; 

 SSR-F 56 



sport fishery in Willamette River. SSR 33 



young; experiments on use of beef liver, 

 seal meal, salmon meal, and apple 

 flour in diet. PFC 46 C 



young, experiments on use of blood as a 

 substitute for beef liver in diet. 

 PFC 47 F 



young; experiments on use of salmon 

 viscera, seal meal, beef pancreas, 

 and apple flour in diet. PFC 44 B 



Chloretone ( See Fishes -tagging). 



Chlorination: 



oysters, reaction to. RR 11 



Chlorine: 



disinfection of ponds to prevent ulcer 

 disease. PFC 49 F 



liquid, to sterilize hatchery water 

 supplies. PFC 48 D 



removal unit at full-scale operating 

 hatchery. PFC 13, no. 3 I 



to sterilize trout hatchery pond. 

 PFC 12, no. 2 F 



Cholesterol (See Salmon eggs). 



162 



