Page 366 - Wilhelm Wundt zum siebzigsten Geburtstage

354 G. M. Stratton.

the point now marked by capitals in this record, Fig. 28, represent
successive fixations of the eye upon the points of the curve marked
by corresponding small letters in Fig. 29, and also that the retinal

Fig. 28. Fig. 29.

Fig. 30.

oc r

perception is obtained well-nigh exclusively during the moments of
rest, then we should have a series of impressions as shown in Fig. 30
where the circles represent the retinal area of
Fig. 31. clearer vision — somewhat larger than the fovea.
Here, if we may neglect the inversion of the
retinal image, a would represent the impression
while the eye was resting at point A of the
record, ß at -B, and so on. The series repre-
sented as superposed upon one another on the
:
same region of the eye would be somewhat as
shown in Fig. 31. But even apart from this latter composite, and
assuming (which is improbable) that each impression is gone before
the other appears, it is readily seen that the retinal impressions