Table 30: — Grand average calculated total lengths in inches at time of 

 annulus formation of the spotted sucker, sexes combined, 

 from area B, 19146 and I9L9. 



Grand average calculated 

 length 



Number of fish 



85 



2.h 8.0 11.2 13.8 15.6 16.3 

 85 I47 16 12 10 2 



Freshwater drum:--Growth calculations 

 were made from a collection of 37 fish from 

 area B in 1948 and 1949. Seven age groups were 

 present but age group VII was represented by 

 only one specimen. The average calculated 

 total lengths for age groups I- VII were 5.0, 

 9.6, 12.5, 14.8, 16.5, 17.5, and 19.2 inches, 

 respectively (Table 29). These determinations 

 exceeded both those repwrted by Van Oosten 

 (66) for Lake Erie and by Kuehn (26) as the 

 average for three Minnesota lakes . 



White bass: --The growth rate of the white 

 bass was determined from a collection of 11 

 scale samples. Three year classes were 



represented but only one fish of each of the two 

 older age groups was included. Calculated total 

 lengths for age groups I , II , and III were 5.7, 

 10.7, and 13.4 inches, respectively (Table 29). 

 This growth exceeded the Minnesota average and 

 that in Lake Erie (Van Oosten, 67), and approxi- 

 mated that in Clear, Storm, and Spirit lakes, 

 Iowa (Lewis, 28; Sigler, 46, 47). 



Yellow perch:- -All but one of 27 yellow 

 psrch collected in area B in 1948 and 1949 were 

 of age group I, the single exception being of age 

 group II. The average calculated total lengths 

 of age groups I and II were 2 .6 and 6 . 1 inches , 

 resp>ectively . 



39 



