iqiq] 



HAAS—RESPIRA TION 



359 



TABLE IV A 

 Change in PH value of sea water produced by respiration of Laminaria during 2 



PERIODS (23.5 MIN. each) IN SEA WATER AND DURING 13 SUBSEQUENT PERIODS 

 IN SEA WATER CONTAINING 3.2 PER CENT FORMALDEHYDE 



Solution 



Period 



Change in PH 



Relative rate of 

 respiration 



Sea water. 



Sea water containing 3 . 2 



per cent formaldehyde 

 Sea water containing 3 . 2. 



per cent formaldehyde' 

 Sea water containing 3 . 2) 



per cent formaldehydej 

 Sea water containing 3 . 2| 



per cent formaldehyde^ 

 Sea water containing 3 . 2' 



per cent formaldehyde 

 Sea water containing 3 . 2 



per cent formaldehyde 

 Sea water containing 3 . 2 



per cent formaldehyde 

 Sea w'ater containing 3 . 2 



per cent formaldehyde 

 Sea water containing 3 . 2 



per cent formaldehyde 

 Sea water containing 3 . 2 



per cent formaldehyde 

 Sea water containing 3 . 2 



per cent formaldehyde' 

 Sea water containing 3 . 2, 



per cent formaldehyde; 

 Sea water containing 3 . 2; 



per cent formaldehyde! 



10 



II 



12 



13 



14 



IS 



8.37- 

 37- 



37- 



37- 



37- 



37- 



37- 



37- 



37- 



37- 



37- 



37- 



37- 



37- 



37- 



7.82 = 

 ■7.82 = 



•6.90 = 



■6.90 = 



■7.05 = 



•715 = 



■7-33- 



■7.50 = 



■7-55 = 



•7.58 = 



■7.60= 



■7.65 = 



•7.70= 



■7.80= 



■7.85= 



^0.55 

 = 0.55 



= 1.47 



= 1-47 



= 1.32 



= 1.22 



-1 .04 



= 0.87 



^0.82 



= 0.79 



= 0.77 



= 0.72 



= 0.67 



= 0.57 



= 0.52 



1.47^0.55=2 

 1-47-^0.55 = 2 

 1.32-^0.55 = 2 

 I.22-r0.55=2 

 1.04-^0.55=1 

 0.87-^-0.55=1 

 0.82-^0.55=1 

 0.79^0.55 = 1 

 0.77-^0.55=1 

 0.72-^0.55=1 



o.67-^o.55=I 

 0.57-^0.55 = 1 

 o.52-^o.5s=o 



7 

 7 

 4 



2 



9 



6 



S 

 4 

 4 

 3 

 2 

 o 

 95 



TABLE V 



Control for V A: 3 periods (25.75 min. each) in sea water; between second 



AND third periods AN INTERVAL OF I9 HOURS DURING WHICH 

 TISSUE WAS BATHED IN RUNNING SEA WATER 



