170' ISO" 150° 140" ISO" 120° 110* 100' 90' 80° W 



ciphers. ) Mean CPUE for each 5° area fished: Ist quarter, 0.241; 2d quarter, 0.206; 3d quarter, 0.206; 4th quarter, 0.237. Regions A, B, 

 and C are arbitrary partitions to facilitate the discussion. 



13 



