Subjects 



Production (See also Landings, statistics on; 

 and Fisheries, management): 



and value of the fisheries. FL 108, 393; 

 Sep 51, 369 



calculation of, in rearing ponds. PFC v. 14, 

 no.l E 



of war foods, optimum program for. Sep 13 



trout, time study. PFC v. 14, no. 3 A 



Progress in Biological Inquiries ( See Biological 

 Inquiries). 



Propagation and distribution of food fishes (See 

 Fish C'llture; Food fishes). 



Propagation of relocated fish: 



artificial and natural. SSR 55 



Protection of undersized fish (See Fishes - 

 protection. 



Protein of fish ( See Fish as food). 

 Protozoa ( See Parasites, protozoan). 



Puerto Rico: 



fisheries, ffi 13 



oyster culture, possibilities. SSR-F 9 

 Puffer (See Swellfish). 

 Pumps ( See Fish pumps). 



Purse seines (See Fishing equipment and 

 methods). 



Pyridylmercuric acetate ( See Diseases). 



Pyroxilin picking tube (See also Fish culture) 

 PFC 46 F 



227 



