SEA LAMPREY OF CAYUGA LAKE 



605 



r/A 



ioo- 



80- 



60- 

 50- 



40 

 30 



2- 



t r 



*,. 



h 



_L 



_L 



_L 



_L 



_L 



1 



8 10 II 15 18 20 25 



FORK LENGTH IN INCHES 



Figure 21. — Length-weight relation of 132 lal e trout from Cayuga Lake, separated into 3 groups according to the number 

 of sea lamprey wounds sustained by each uout. Regression formulas: unwounded trout (solid line), log W= 1.5557 + 

 3.169 log L; trout with one lamprey wound (broken line), log W= 1.5765 + 3.1057 log L; trout with two or more lam- 

 prey wounds (dashed line), log W— 1.5325 + 3.1432 log L. 



498325 O— 59- 



