Fig. 20. The neuromotor system of Paramecium multimicronucleahim 

 (Lund), a, oral network; b, motorium, X1670. aep, anterior end of pen- 

 niculus; c, cytopyge; ccf, circular cytostomal fibril; cof, circular oesopha- 

 geal fibril; cpf, circular pharyngeal fibril; ef, endoplasmic fibrils; lbf, 

 longitudinal body fibril; lof, longitudinal oesophageal fibrils; lpf, longi- 

 tudinal pharyngeal fibril; m, motorium; oo, opening of oesophagus; op, 

 oesophageal process; paf, paraoesophageal fibrils; pep, posterior end of 

 penniculus; pnc, posterior neuromotor chain; pof, postoesophageal fibrils; 

 rcf, radial cytostomal fibril; s, suture. 



