Plati'. XXX M : I'nis. 287 to 292 ; Magxii'ii:i) 500 1)iame:ters.* 



I-'iii'. 2^^y. Epistylis /lu'c'icans I'.lir. A piece of col- 

 ony slig'htly inai^iiihed p. (^ 



Figs. 288 and 289 are different members of the colony 

 of Ef^istylis maoi'nified 300 diameters. 



Fig'. 290. /'i/xldiiiiii niiiiosinit Stokes p. ()4 



I'^igs. 291 and 2i)2 are forms of / 'orticclla j). 63 



Except Fig. 287. 



