360 



Mr. J. Small. Changes of Electrical 



1400 



200-1 1 — I -1 \ — 1 I I I i I 



10 20 30 40 50 60 70 80 90 



ANGLE WITH VERTICAL 



Fig. 13. . 



Diffusion Effects. 



One of the results of increased permeability is more rapid diffusion of 

 salts and a consequent dilution of the cell sap. Such dilution would increase 

 the resistance and was investigated in the following experiments. 



Experiment 8 : E = 7000 ohms. 



Angle with rerlical 



0° 



0= -90° -90° 



-90° 



-90° 



-90° 



Total resistance 



8283 



8318 6958 7345 



7645 



7798 



7798 



Decrement of resistance ... 





— 1360 1073 



673 



520 



520 



Interval in mius. ... 





15 2 8 



5 



5 



15 



Angle with vertical 

 Total resistance 



-90° 



-90° -90' 



-90° 



-90° 



-90° 



7738 



7171 7026 



6673 



6645 



6539 



Decrement of res stance ... 



580 



1147 1292 



1645 



1673 



1779 



Interval in mins. ... 



10 



15 15 



15, 



45 



15 



Experiment 9 : E = 7000 ohms. 



Angle with vertical 



0° 



0° 



+ 90° +90° +90° +90° 



+ 90° 



+ 90° 



Total resistance 



9365 



9356 



8660 8802 9018 9090 



9128 



8521 



Decrement of resistance ... 







696 554 338 266 



228 



735 



Interval in mins. ... 





15 



2 8 6 5 



15 



10 



Angle with vertical 



+ 90° 



+ 90° 



+ 90° +90" +90° 



+ 90° 



+ 90° 



Total resistance 



7863 



7767 



7705 7584 7584 



7614 



7404 



Decrement of resistance ... 



1493 



1589 



1651 1772 1772 



1742 



1952 



Interval in mins. ... 



15 



15 



15 15 15 



15 



15 



