CILIATE PROTOZOA (INFUSORIA) 



bell-shaped, usi 

 road. Stalk cc 



Representative species. 



29: 



191 (192) ^-^--^ben^^haM^^^ transversely striated; peristomal disk 



broad. Stalk contaniuig a canal but no muscle. 



I?.- ,■ . Epistylis EhrcnheTR. 

 J^pislyhs jlavicans Ehrcnberg 1830. 



stoI''''ir^Klf' "".Y ^'^ [J'«tinP:"ished by the fact that the 



ftee-sw,mm,nK microgamrtes with attache macro™ 

 metes ,s common. Length of zooids 200 to U^ \? 



orS'^iteTrciol*"^' ^'°"-' ^'^•' ■" --inl -earns 



Fig. 544. Epistylisflavicans. macg, macrogamete- mice 

 microgamete. x 25. (After Kent.) ^' 



19. (.91) ^^^-,^~^^^^ ,,k ,ot broad elevated a con- 



Representative species. • : : ; o^.../../.,/.^S:k:'S:. 



asbn?a?teT'"°\^''- '"'?'^' 'f * ""1 ^"''^^^' ^^out three times 

 fnlH™ f -I -^J '''" contracted, zooids are thrown into transverse 

 n front Pr°n^ l"'' bear longitudinally plicate, snout-like projec ioTs 

 Siln ■' ■ ,P™^«P'^f "1 enclosing green corpuscles. Cil.arv circles two 



to twenf;^' l?nl'ti'T h1'"'"^'- ^"?^'^ '" ^^^^"^ «^«"P^ o! from en 

 \JZTl^' I . ^^^ °^ ^°'^>' ^50 M. Height of colony 2 5 mm At- 

 tached to plants m pond water. ' 



Fig. 545. Opcrciiiaria plicaltUs. x 25. (Aiicr btokes.> 



^93 (170) Withalorica. 



10} 



194 (197) Lorica gelatinous. 



10- 



