4. Species composition of 56 trawl catches by RV Kaho in Lake Erie during Cruise 2, May 



1962 18 



5. Species composition of 55 trawl catches by RV Kaho in Lake Erie during Cruise 4, Sep- 



tember 1962 19 



6. Species composition of 87 trawl catches by RV Kaho in Lake Erie during Cruise 11, 



May 1963 20 



7. Species composition of 47 trawl catches by RV Kaho in Lake Erie during Cruise 36, Octo- 



ber 1966 21 



IV 



