14- 





Si on 



pciri'v,: . 



,*. V S V"" p- W ' 



Jenr >*Tp. 90) desori *es the stp reflex in 



torus of tha behavior of a tube foot on a solid flat substrate. 



i > 5 4- U 7 



9 ixy>g< 4^c {6*ftbing an arc, 

 as it does IBM stin* obja ,, light (See also 



Ifameold 19084* It ia this tanftsmiy oo-tieaaribe an arc, to 

 keap fully extended as the disc is pushed back, that koaps the 

 animal veil off the substrate during locomotion, 



A further analysis of the step reflex raises the question? 



