REVERSAL OF PHOTOTROPISM IN DIEMYCTYLUS VIRIDESCENS.
In its response to light of approximately 11.3 m.c. intensity Diemyctylus viridescens may be either positive or negative. Negative phototropism is characteristic of animals from which food has been withheld. Feeding suppresses this negative phototropism.
Stier
T J
TJ
Laboratory of General Physiology, Harvard University, Cambridge.