30 
thing possible ; yet, though the acoustic effect is detestable, the 
musical effect is admirable, because it is intended to suggest the 
moaning of the sea, and succeeds in doing it. 
The height to which the musical faculty has been brought 
was illustrated by the feats of memory common among musicians, 
especially among pianists. In Spencer’s Principles of Psychology, 
it is truly said that “ The clearest instance of the gradual lapse of 
memory into automatic coherence is yielded by the musician.” 
That a pianist should be able to play a series of entire pro- 
grammes by heart, may be claimed as, in the direction of memory, 
the greatest achievement of man. 
WEDNESDAY, MARCH 51TH, 1890. 
M.ERW.“H REAN, M.R.GS,; 
ON 
THE OPTICS. OF THE Eve: 
