Table 4. Experimental and control microhematocrit 

 values of mummichog exposed for 4, 7, 

 and 12 days to 1.62 g l"-"- fuller's earth. -^ 



Group 



Exposure 



4 days 



7 days 



12 days 



Experimental 



33.082 

 ±5.74 



29.523 

 ±4.43 



34.14"+ 

 ±4.28 



Control 



24.14 

 ±6.54 



23.79 

 ±4.60 



26.52 

 ±2.24 



■^Mean values are expressed ± standard deviation. 

 2p < 0.01 (t = 3.2488, d.f. = 18). 

 3p < 0.02 (t = 2.8373, d.f. : 

 "^p < 0.001 (t = 4.9884, d.f. 



18). 

 16) 



Table 5. Experimental and control values of red blood cell count, 

 microhematocrit, and hemoglobin concentration of spot 

 exposed for 5 days to 1.27 g 1"^ fuller's earth. ^ 



Group 



Red blood cell count 

 (cells X 10^ mm-3) 



Microhematocrit 

 (pet packed cell volume) 



Hemoglobin 



concentration 



(g 100 g-1) 



Experimental 



1.542 

 ±0.48 



26.19 

 ±4.87 



7.143 

 ±1.37 



Control 



1.46 

 ±0.26 



' 28.31 

 ±7.62 



6.69 

 ±2.21 



^Mean values are expressed ± standard deviation. 

 2p > 0.50. 

 3p > 0.10. 



14 



