U.S. B. F.—Doc. 902. 
FIG. 40.—STRIPPING SALMON WITH AID OF STRAIT JACKET. 
FIG. 41.—CHEHALIS HATCHERY, WASHINGTON FISH AND GAME COMMISSION, 
SHOWING RACKS TO PREVENT SALMON FROM GOING UPSTREAM, AND PEN FOR 
HOLDING SPAWNING FISH. 
