660 



CHUNG AND STRAWN 



100 



(a) 



100 



50 



60 



120 



180 



TIME, min 



(c) 



Fig. 2 Seasonal comparisons of mean observed survival ( ) at 



10-min intervals and expected survival ( ) calculated by the 



stochastic method at vjirious constant test temperatures for 

 Callinectes sapidus tested for 180 min from June 1974 to September 

 1975 at the P. H. Robinson Generating Station, Bacliff, Texas, 

 (a) Cold season (November— April), (b) Cool season (October and 

 May), (c) Hot season (June— September). 



