Table 3 . --Summary of available mortality data on experiments with 

 Niagara Sky Blue 6B, Fast Green FCF, Trypan Blue, and 

 Trypan Red- -Continued. 



Stain 



No. of 

 shrimp 



Method 



1/ 



Percent Percent 



Total 



Imm. F. 



Inj. 



Total mortality mortality mortality 

 days A— B— in percent 



4/ 



Remarks- 



Trypan 

 Red (H) 



10 XX 



17 40 



40 4 min. period in 



1 -percent solution; 

 10%DW, 90%SW. 



Trypan 



Red 



(N.A.) 



35 



11 



2 -percent solution 

 in DW; 1 lost; 27 



37 Stain as above; 9 



undetermined. 



\/ Imm . -immersion; F -feeding (figure in feeding column indicates number of stained feedings); 

 Inj . -injection; (H)-Harleco; (N.A.) -National Aniline; Gly. -glycerine; DW -distilled water; 

 SW-sea water. 



2/ Mortality known to have accompanied ecdysis and cannibalism . 



3/ Mortality known to have occurred without ecdysis and cannibalism. 



4/ Complete cannibalism. 



20 



