166 the negative geotropism of the periwinkle 



Table 4 





"IMMERSED" GROUP 



"DRY- 



GROUP 



DESICCA- 

 TION TIME 

 HOURS 



PERCENT- 

 AGE RE- 

 SPONDING 



AMOUNT 

 OF RE- 

 SPONSE 



PER 



ANIMAL 



PER TEN 



MINUTES 



CMS. 



PERCENT- 

 AGE RE- 

 SPONDING 



AMOUNl 

 OF RE- 

 SPONSE PER 

 ANIMAL 

 PER TEN 

 MINUTES 

 CENTI- 

 METERS 



Before 

 immersion 

 01 



50 



0.8 









y L 



After 

 immersion 



60 



6.7 



40 



2.9 



Before 

 immersion 



10 



1.6 









After 

 immersion 



70 



4.6 









The results are clear cut. It would seem a fair assumption 

 that if a longer period of recovery had been permitted, the per- 

 formance would have completely returned to normal. 



