| 1 |   | Maryna , --- by Y. Tsukii at Lab. of Biol., Hosei Univ. | 
| 2 |   | Colpoda , --- by Y. Tsukii at Lab. of Biol., Hosei Univ. | 
| 3 |   | Colpoda  (Silver-stained), --- by Y. Tsukii at Lab. of Biol., Hosei Univ. | 
| 4 |   | Bresslaua , --- by Y. Tsukii at Lab. of Biol., Hosei Univ. | 
| 5 |   | Tillina , --- by Y. Tsukii at Lab. of Biol., Hosei Univ. |