S. S. MAXWELL 



13 



cal oscillations are respiratory, rather than eye movements. Spon- 

 taneous, "voluntary" movements occur occasionally, as between 

 6 and 7 near the end of the tracing. In this experiment the stimulus 



I'k;. 1. I )iaf^r;ini of the (l()r>;il vii'w of R/iiiiolxiliis proilitrliis. 



i'ni])lt)ye(l was a gentle stroke with the linger. These strokes were 

 made as nearly ef|ual as possible, but the method couUl hardl\' be 

 expected to give i)erfectly uniform results. The numbers at tlu' 

 bottom of the I nicing show tlie points stimulate(l as ( luirli-d on I'i'r. 1. 



