314 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



44' 



43° 



42' 



41 



40 



7 I 



— r 



PORTLAND^ 

 ® 



CAPE. 

 ANN 



44' 



- 43" 



■■'U.-' 



I ^_-. 



42 



40 



71" 



70' 



69' 



68' 



67' 



66' 



Figure 16. — Areas where comparable observations were taken in August and early September 1953 (crosses), and in 



late summer of earlier years (dots). 



