PLATE VI. STRIPED MUSCLE. 

 Fig. 1. 



Fig. 3. 



Separated disc 



from specimen ir 



fig. I.e. Bioplasn 



at the side. 



X 700. 



Developing muscular fibres from the 

 young newt showing contractile tissue 

 split into Bowman's discs within the 

 earcolemma a, b bioplasm being con- 

 verted into muscular tissue, x 700. 



Fig. 4. 



Elementary muscular fibre Dytiscus 

 Marginalia, showing sarcolemma 

 aud contractile tissue split into 

 discs. The bioplast is in the centre 

 of each disc, as seen at a. X 160. 



Fig 5. 



btnped muscle in a state ot tatty degeneration from prolonged inaction Of 



the sarcous tissue only a trace remains at a, fig. 5 In this last figure vessels' and 



nerve fibres are also represented. 



