PLATE IX. Representative hypostomes.
Fig. 1. Nassudopsis, order Synhymenüda.
2. Nassula, order Nassulida, suborder Nassulina.
3. Pseudomicrothorax, order Nassulida, suborder Microthoracina.
4.Chilodonella, order Cyrtophorida, suborder Chlamydodontina.
5.Trochilia, order Cyrtophorida, suborder Dysterüna.
6.Hypocoma, order Cyrtophorida, suborder Hypocomatina.
7. Spirochona, order Chonotrichida, suborder Exogemmina.
8. Armichona, order Chonotrichida, suborder Cryptogemmina.
9. Raabella, order Rhynchodida.
10. Foettingeria, order Apostomatida, suborder Apostomatina.
11. Chromidina, order Apostomatida, suborder Astomatophorina.
12. Conidophrys, order Apostomatida, suborder Pilisuctorina.