PLATE VI. Representative gymnostomes.

Fig. 1. Stephanopogon, order Primociliatida.

2. Kentrophoros, order Karyorelictida.

3. Blepharoprosthium, order Prostomatida, suborder Archistomatina.

4. Holophrya, order Prostomatida, suborder Prostomatina.

5. Prorodon, order Prostomatida, suborder Prorodontina.

6. Actinobolina, order Haptorida.

7. Spathidium, order Haptorida.

8. Loxophyllum, order Pleurostomatida.