PLATE XL ULTIMATE RAMIFICATIONS OF FINE NERVE FIBRES 

 ON ELEMENTARY MUSCULAR FIBRES. 

 Fig. 1. 



.i 1 ;? flv.i: v 



Fig. 2. 



Terminal portion of dark-bordered nerve fibre 

 and fine fibres resulting from its sub-division. 

 These form networks upon the sarcolemma. 

 Pectoral. Frog. From a drawing X ],3CO and reduced 

 one third, p. 257. 



Portion of a muscular fibre 

 with the finest branches of 

 the nerves ramifying upon it . 

 Pectoral. Frog. From a draw 

 ing X 700 and reduced to 

 half. p. 257. 



[253 



