jgig] 



HAAS— RES P IRA TION 



393 



TABLE III A AND B CONTROL 

 Six periods (20.25 ^^in. each) in sea water 



TABLE III C 



Two PERIODS (24 MIN. EACH) IN SEA WATER AND 7 EQUAL PERIODS IN SEA WATER 

 CONTAINING 1 7. 4 PER CENT (BY VOLUME) OF ACETONE 



Solution 



Change in PH 



Relative rate of respiration 



Sea water . 



Sea water containing 17.4 per cent 



acetone 



Sea water containing 17.4 per cent 



acetone 



Sea water containing 17.4 per cent 



acetone 



Sea water containing 17.4 per cent 



acetone 



Sea water containing 17.4 per cent 



acetone 



Sea water containing 17.4 per cent 



acetone 



Sea water containing 17.4 per cent 



acetone 



1. 57-7-0. 60 = 2. 6 

 1 .62-7-0.60 = 2 .7 

 1 .31-5-0.60 = 2 . 2 

 o.87-f-o.6o= 1 .5 

 0.83-^-0.60=1 .4 

 o.75-=-o.6o=i.3 

 0.63-7-0.60= X . I 



TABLE III C CONTROL 



Nine periods (21 min. each) in sea water 



Period 



Change in PH 



Relative rate of respiration 



3- 

 4. 

 5. 

 6. 



7- 



.67 = 0. 70 

 .67 = 0.70 

 .70 = 0.67 



.73=0.64 

 .73=0.64 

 .73=0.64 

 .72 = 0.65 

 .73=0.64 

 .72 = 0.65 



o. 70 



o. 70 



0.67 



0.64- 



0.64 



0.64- 



0.6s 



0.64 

 0.65 



70=1 .00 

 70 = 1 . 00 



70=0.95 



70 = 0.91 

 70 = 0.91 

 70 = 0.91 



70=0.93 



70 = 0.91 



70=0.93 



