364 



GRACE MEDES 



TABLE 8 

 Constants, Experiment 6. Solution b 



24 hours 



36 hours 



48 hours 



72 hours 



96 hours 



120 hours 



Right anal 

 Left anal . . 

 Right oral. 

 Left oral. . 



Right anal 

 Left anal. . 

 Right oral. 

 Left oral. . 



f Right anal 

 J Left anal . . 



Right oral. 



Left oral. . 



Right anal 

 Left anal. . 

 Right oral. 

 Left oral. . 



Right anal 

 Left anal. . 

 Right oral. 

 Left oral. . 



Right anal 

 Left anal. . 

 Right oral 

 Left oral. . 



In Experiment 6 alkali was added to the sea-water in the 

 following concentrations : 



Experiment 6. Plot 9. September 5, 1914 



a Sea-water 



b 99.33 cc. S. W. + 0.66 cc. M/10 NaOH 



c 98.66 cc. S. W. + 1.33 cc. M/10 NaOH 



d 98.0 cc. S. W. + 2.0 cc. M/10 NaOH 



The growth-curve for the control culture resembles rather 

 closely that of the general average for this period, except that 



