Table 2. — Nura'ber of s pawxiing-run sea lampreys oaken in 7?eirg and traps 

 in strsains tributary to Lalce Huron, '~l9^ - '1951 



1/ Shetter (19U9)s partial capture of run; examination of Shetter's data suggests 

 ~ tloat these catcLes represent about three-quc,rters of the run entc-:ring the stream 

 each year. 



2/ Applegate (1950): data for Ocqueoc River for 19U7 and 19l;3 aa'e estimates based 

 ~ on counts of total number of nests in watershed mth consideration given for 



observed sparmji-ng habits a:id sex ratio in those years; other data are based on 



entire runs captured in -weirs and traps. 



3/ Applegate and Smith (1951): all data based on entire runs captuz'ed in iveirs 

 ~ ajid traps. 



