1907.]  Post-tetanice Tremor in Several Types of Muscle. 41 
complete tetanus for an unusually long time; several minutes after the 
stimulation had been made direct (owing to the onset of end-plate fatigue) 
Stimulation direct. 
Tremor recorded for 20 minutes. 
Lever as in fig. 1. 
20 grammes near axle. 
Stimulation by Neef’s hammer (side-wire}, recorded above time in half-seconds. 
Fie. 5.—Extensor longus digitorum, pigeon, pithed. 
Periodicity, 3 to 5 a second. 
the tetanus was still complete, but after a few seconds more the muscle quite 
suddenly broke off into a tremor with a periodicity of about one or two per 
