I9I9] 



HAAS—RESPIRA TION 



355 



rate of respiration is much above the normal rate, while the relative 

 amount of respiration is above 2. 



TABLE II B 



Net electrical resistance of Laminaria in sea water 



AND IN SEA water CONTAINING 1 6. 2 PER CENT (BY 

 volume) of ACETONE, EXPRESSED AS PERCENTAGE OF 

 NET RESISTANCE AT START OF EXPERIMENT AT 15 .4° C. 



TABLE III 



Control for III A: 8 periods (30.25 min. e.\ch) in se.\ water; solution 



RENEWED AT BEGINNING OF EACH PERIOD 



Table IV shows the effect produced upon the relative amount 

 and relative rate of respiration of Laminaria by sea water contain- 

 ing 3 . 2 per cent (by volume) of formaldehyde. The solution was 



