26 



ILLINOIS BIOLOGICAL MONOGRAPHS 



[146 



O I 



o 1 



TABLE XVI 

 Potassium Cyanide. Temperature 21.5° C. 



Daggers (f) as in Table I 



*Fish was not dead when taken out of solution 



Fig. 14 (at right) . Potassium cyanide. Velocity of fatality curve only 







0.0003N. 



0.00029N. 



0.00028N. 



0.00027N. 



0.00026N. 



0.00025N. 



0.00024N. 



0.00023N. 



0.00022N. 



0.00021N. 



0.0002N. 

 0.00019N. 

 0.000 18N. 

 0.0001 7 N. 

 0.0001 6N. 



0.0001 5N. 



0.00014N. 



0.00013N. 



0.00012N. 



O.OOOllN. 



O.OOOIN. 



0.00009N. 



0.00008N. 



0.00007N. 



0.00006N. 



O.OOOOSN. 



0.00004N. 



0.00003N. 



0.00002N. 



O.OOOOIN. 



