Ciliophora 343 



Fig. 7. 4. A. Tiari7ia fusus (Clapaiede and Lachmann), 1 10^ (after Faure- 

 Fremiet). B. Coleps amphacanthus Ehrbg. (70-90^), longitudinal optical sec- 

 tion showing circiimpharyngeal trichites, macronucleus, contractile vacuole 

 (after Kahl). C, D. Phascolodon vorticella Stein, 90-110^; ventral view and 

 schematic cross-section (after Kahl). E. Chlamydodon triquetrus (O.F.M.), 

 80-120yti; ventral view, striated band, ventral ciliary pattern, cytostome, 

 macronucleus, contractile vacuoles (after Kahl). F. Chilodonella cucullus 

 (Ehrbg.), cross-section of ventral cortex; xlOOO (after Wetzel). G-I. Coleps 

 hirtus O. F. M.: C, H. Cross-sections at level of cytostome, showing trichites, 

 and near the equator, showing macronucleus and large mass of food; xlOOO 

 (after Wetzel). I. Diagram showing three longitudinal rows of cortical plates 

 (after Faure-Fremiet and Hamard). J. Chilodonella caudata Stokes, 40-50^, 

 ventral view, pharyngeal basket, basal granules, macro-, and micronucleus 

 in outline (after MacDougall). K. Cryptopharynx setigerus Kahl, ventral 

 view showing cytostome, longitudinal ribs, cilia, and marginal spines; x485 

 (after Kirby). 



