SEA LAMPREY OF CAYUGA LAKE 



FALL CREEK 



CASCADILLA 

 ITHACA CREEK 



SIXMILE CREEK 



BUTTERNUT 

 CREEK 



3 



=1 



SCALE IN MILES 



Figure 10. — Map of Cayuga Inlet and vicinity showing the 1-mile sections of the stream and localities mentioned in 



the text. 



should be considered the largest migration during 



the 1950-52 period. 



1951 



The number of upstream-migrant sea lampreys 

 that entered Cayuga Inlet in the spring of 1951 

 was estimated to be 9,390. This estimate is 



based on 960 tagged specimens and a total catch 

 of 5,559. 



During the period April 19 to June 13, migrant 

 lampreys were captured by means of a weir, three 

 portable lamprey traps, and by hand. The weir 

 consisted of a barrier net placed diagonally across 



