41 



2 150- 



400 



600 

 NUMBERS OF AGE I 



800 



FIGURE 10. Relationship between the fall estimates of numbers (N/6455 ft) of 

 age I rainbow trout and the estimated numbers of age II rainbow 

 trout of the same year class in the following fall in the Hildreth 

 Section of the Beaverhead River. 



a/ Indicates significance at 5% level. 



