PROTOPHTTA. 



131 



Fto. 63.— a part of a Slime-Mould (Physarum leucopus) in its motile 

 stage. Magnified 350 times. 



Fig. M.— Early stages of a Slime-mould (Fuligo varians). as, a spore; 

 6, c, the same, bursting the cell-wall ; d to I, various stages ; ra, young 

 SUme-mould, 



