564 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



O 



100 



80 

 60 

 40 

 20 

 



100 



> 



o 



z 



lu 200 



z> 



O 180 



UJ 



cr l 60 



140 



120 



100 



80 



60 



40 



20 







TOTAL LENGTH IN INCHES 

 10 I I 12 13 14 15 16 17 18 19 20 21 



~ I I r 



FEMALES 



—mrX)7X / / 



MALES 



-*m< 



MALES 

 and 

 FEMALES 



»^w^ 



260 300 340 380 420 460 500 



TOTAL LENGTH IN MILLIMETERS 



Figure 2. — Length-frequency distribution of adult sea lampreys taken in Cayuga Inlet, 1951. 



