TARSAL SENSITIVITY IN PYRAMEIS 



449 



TABLE 1 



Shorvivg the responses of butterfly no. IS to distilled water and to various concentra- 

 tions of saccharose, under different nutritional conditions. Changes in nutri- 

 tional conditions were always made in the evening after the trials of the day were 

 completed. This is indicated by a repetition of the day number follorved by (p.m.) . 

 Threshold concentrations are indicated in italics 



