547 
extrasystole of the ventricle is not evoked '). The auricles, however, do 
respond to the stimulus, so that these are now traversed at the 
> 
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Fig. 4. 
[LC ELL Me Ld 
1) In the stringeurve we see directly after the stimulus, a small triangular 
deflection, which tells us that after all an extremely small part of the ventricle is 
