1. Amos, W. B., Routledge, L. M., and Yew, F. F., 1975, Calcium-binding proteins in a vorticellid contractile organelle, J. Cell Sci.
19:203–213.
2. Andrivon, C., 1988, Membrane control of ciliary movement in ciliates, Biol. Cell.
63:133–142.
3. Braatz-Shade, K., 1978, Effects of various substances and cell shape, motile activity and membrane potential in Amoeba proteus, Acta Protozool.
17:163–176.
4. Bonini, N. M., Gustin, M. C., and Nelson, D. L., 1986, Regulation of ciliary motility by membrane potential in Paramecium: A role for cyclic AMP, Cell Motility and the Cytoskeleton
6:256–272.
5. Butler, R. D., and McCrohan, C. R., 1987, Stimulus-response coupling in the contraction of tentacles of the suctorian protozoon Helioptoya erhardi, J. Cell Sci.
88:121–127.