54 



PROTOZOOLOGY 



Fig 16. A composite drawing from three median sagittal sections 

 of Evidinium ecaudatum, fixed in Zenker and stained with Ma lory s 

 connective tissue stain, X1200 (Sharp), am, adoral membranellae; c 

 cytostome; cp, cytopharynx; cpg, cytopyge; cpr, circumpharyngeal 

 ring- dd, dorsal disk; dm, dorsal membrane; ec, ectoplasm; en, encio- 

 plasm; m, motorium; oc, oral cilia; od, oral disk; oef, oesophageal 

 fibers; of, opercular fibers; p, pellicle; prs, pharyngeal retractor strands; 

 si, skeletal laminae; vs, ventral skeletal area. 



