Images of Spirostomum minus

Contributors
1 Spirostomum minus,
--- by Y. Tsukii at Lab Biol, Hosei University
2 Spirostomum minus,
--- by Y. Tsukii at Lab Biol, Hosei University
3 Spirostomum minus,
--- by Y. Tsukii at Lab Biol, Hosei University
Supported by a Grant-in-Aid for Scientific Research (No. 07558052 )
from the Ministry of Education, Science, Sports and Culture of Japan.