220 ELECTRON-MICROSCOPIC STRUCTURE OF PROTOZOA 



Rodorgan of Peranema. 



Pellicular and "cytostomal" tube fibrils of trypanosomes, 



Cryptobia, *Bodo. 

 Axostyle walls of Tritrichomonas, Foaina, Joenia, Lophomonas, 



Holomastigotoides. 

 Entire axostyle of Pyrsonympha. 

 Root of attachment organelle of Pjrsonympha. 

 Rostral cap pellicular fibrils of Trichonympha. 

 Pellicular fibrils of Opalina. 

 Longitudinal, *transverse and *postciliary fibrils of Tetra- 



hymena, Colpidium, Glaucoma. 

 Fibrils of contractile vacuole wall of Paramecium, Tokophrya, 



Metaradiophrya. 

 Trichites of gymnostomes, Frontonia, Njctotherus. 

 Fibrils in sucking tentacles of Ephelota, (Discophrya). 

 (Myonemes of Metaradiophrya). 

 * Stalks of Opercular ia, Epistylis, (Vorticella). 

 *Kinetodesmal fibrils of Stentor, Spirostomum, Blepharisma, 



Condylostoma. 

 *Membranelle roots of Stentor. 

 Fibrillar sheets subtending buccal cavity of Stentor. 

 Longitudinal pellicular fibrils, fibrils of esophagus wall, 

 *retrociliary fibers, fibrillar sheets subtending buccal 

 surface in ophryoscolecids. 

 *Pellicular and ciliary root fibrils of Euplotes. 

 3. Fine filaments, less than 15 m^ in diameter, often in bundles or sheets. 

 Axopodia of Actinosphaerium. 



Circular myonemes and smooth cortical layer of gregarines. 

 Ectoplasmic network of Gregarina rigida. 

 (Paraxostyle of Pyrsonympha). 

 Infraciliary lattice of Paramecium. 

 *Network under buccal cavity membrane in Paramecium and 



tetrahymenids. 

 Fibers in prehensile tentacles of Ephelota. 

 Ecto-endoplasmic boundary and karyophore of Isotricha. 

 *Ecto-endoplasmic boundary layers of Metaradiophrya. 

 *Some kinetosomal connectives in Ophrydium. 

 Stalk and *endoplasmic body myonemes of peritrichs. 

 *Filaments in infundibular fiber of Campanella. 



