152 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 





I 



.S: 





,-7 



BO .w 



a t 



' 



5 



-8 





u a 



o o 



ts "■§ 



t I 



s ■= 



Si 0, 



- .a 



■a -" 



Z 2 



to 03 



h .a 



o> a 



14 ^ 



.3 g 



O 0) 



IS 



Si 01 



a 43 



a a 



y. - 





& 3 



o> 6U 





5g OJ 



3 -a 



CO j, 



a 5 



s ° 



