I 



PER CENT 

 40- 



FIG. 18.— WHITE SUCKER 



TOTAL NUMBER— 413 

 TOTAL WEIGHT— 38.79 LB. 



WEIGHT 



3 4 5 6 



DIVISION OF STUDY AREA 



I 



PER CENT 



40- 



30 



20 



10 



FIG. 21.— STONEROLLER 



TOTAL NUMBER— 9, 830 

 TOTAL WEIGHT— 89.26 LB. 



NN i^NUMBER / 



I 



PER CENT 

 40- 



30 - 



FIG. 22.— YELLOW BULLHEAD 



TOTAL NUMBER — 155 

 TOTAL WEIGHT— 15.53 LB. 



WEIGHT- 



40- 



30 



20 



10 



TOTAL NUMBER — 1,024 

 TOTAL WEIGHT — 17.95 LB. 



3 4 5 6 



DIVISION OF STUDY AREA 



Figs. 18-23. — Distribution (in per cent) of the number and weight of each of six species of fish 

 collected in the eight divisions of the Jordan Creek study area, 1950. 



22 



