^Bu t 







c t r i > I 



1 of 



account of the . the ento- 



BS 



.910 ,.. ,16, 



i ii^Ji. 



- 



jole a^-proai. -he 



i w re t o i , , i a 1 1 



: i ' t r ..ont rac- 



t i j 



lastic,/ei le, tut, not c^nt r^oti le. Js- 



in s is colored , rr i ' , 



i on tii In. 



li oat ion uta i-icr Ln tha free- 1 .^ ondltion a: 



U JjO-L. l^l^- >(_ 



new noutn o:nin^ \r, i 01 ~, the 



st jerit 01 tie o. th.Thon the maAionucleus is stretcnei 



ien tfj lanes an olion^ i ilious structure, wM le the ri.yKronueleus 



es naijfC ioaii^. .,(. . contractile vacuci . cioss parti- 



i , i k ,. ,. tii'L Lo-j cii the ir.fusorian into 



atin, ir: iviuu-.io attacn t.y the peristoiues or 



th openin^Sc.0 tn-t t a i-,.to .Jirfo.,, i:; alsorled at. the place of attach.u ,^t , 

 i .In this con-itio" t! ' r t 



.ronucleil ,af tor which nJl vt -.uals sep- 



' ftnerieticall^ to iivide. Ihe chan:*,ari sin^ at thr tl,..^ of 

 1 'T t ro- and inykronucleus,! s aocomjlishod in the 4 sj^cifis 



determines the disunion of so ncics ,from t 



)holc\icai ;>oinr 01 viR* voi ilar. Cysts have not to the present 



i td it 3os that our,^" 1 >xst. 



