A Cross-Striated Maimiialian MuseK' I^reparation 387 



which iuiJ l)t)eii completely fatigued gave, after a prolonged rest, a series 

 of contractions {tig. H) very little if at all inferior to those yielded by the 

 similar muscle of the opposite side, which had not been stimulated (tig. 9). 



Incidentally it may be noted that the tracings on the right of tigs. 8 

 and 9 show that the contracture which is usually described as characteristic 

 of fatigue is not seen if the muscle be sufficiently weighted. 



I have to thank l)r John Tait for suggesting the .search for u sur- 

 viving muscle-preparation in the hedgehog. 



