Microphotographic shots of minute cells, oyster larvae, struggling in fluid. Shots of man shovelling oysters from bottom of boat into barrel, of two fishermen sorting and sifting oysters aboard boat. Shots of motorboat hauling six small oyster fishing boats out of bay. Shots of small oyster boats in bay, men fishing oysters from boats. BOATING SHOT past raft made of barrels used to keep trapped oysters. Shots of two men sorting oysters on sieve screen, sifting oysters aboard boat.