1962 



1963 



STATION NUMBERS 



2 4 6 8 10 12 14 16 18 20 2 4 6 6 10 12 14 16 18 20 



H 1 -sf 1 1 1 1 1 1 1 I 1 1 1 1 1 1 1 1 — 



20-- 



40---- 



60-- 



80-- 



JULY 



2 4 6 8 10 12 14 16 18 20 



AUGUST 



2 4 6 8 10 12 14 16 IB 20 



80-- 



SEPTEMBEP 



Figure 7. — Coutimied 



312 



U.S. FISH AND WrLDLIFE SERVICE 



