80 



60 



40 



20- 



J] 



Ul 



■i 



ij 



80 



60 



40 



20 



IL 



pJ 



i 

 o 



Z> 



< 



80-, 



60- 





20 



< 



h- 



o 



Lb=d 



80 



60 



40- J 



20 



A 



FEB 73 

 n = 490 



JUN 73 

 n = 265 



OCT 73 

 n= 252 



FEB 74 

 n = 489 



n 



APR 73 

 n = 350 



X 



AUG 73 

 n = 231 



J\ 



v\ 



Ti-i n !-■ .-. 



I 260 



1^124 



JUL 74 

 n = 239 



AUG 74 

 n = 234 



JAN 74 

 n = 765 



SEP 74 

 n= 239 



20 30 40 50 60 70 



20 30 40 50 60 70 20 30 40 50 60 70 



TOTAL LENGTH (2MM INTERVALS) 



20 30 40 50 60 70 



FIGURE 2.— Monthly length-frequency histograms for Macrobrachium faustinum in Cane River. 



657 



