Plate V — UNSTRIPED AND STRIPED MUSCLE. 



^■J 



Portiocy of spindle-sbaped and tricaudate muscular fibre-cella from tbe thin 



patL ot the bladder of tbe hyla or green tree frog. Tbe fine branches of nerve are 



seen ramilying amougst tbe muscular fibres, X 900. 



Portion of very small artery sbo-rolng rauscular fibre cells and nerve fibres, 

 ramifying in tbe areolar coat. Frog, x 700. 



Fl^. 3. 



Bioplasm and formed material (contractile tissue) of striped muscle. Tbe 



bioplasm is supposed to be moving in tbe direction of the arrov?. At present it is 



between a and 6, but it vras once between h and c- As it has moved onwards, it 



has formed a filament of contractile tissue in its wake. 



