- 29 - HISTOLOGY. 



49. Unstriated Muscle. Spread out a piece of toad's bladder on a dry slide, with 

 its inner surface upwards. Make a drawing to show : unstriated muscle fibres with 

 nuclei ; epithelial cells. 



Examine the demonstration specimen. 



50. Striated Muscle. Examine a small piece of muscle from the leg of a beetle. 



51. Striated Muscle. Tease a fragment of toad's muscle in 0-65 per cent NaCl and 

 examine it. Draw : muscle sheath ; muscle fibre ; light and dark bands. 

 Examine the demonstration specimen showing nuclei. 



