REFERENCES
- Abdel-Malek, E. T. (1955). Anatomy of Biomphalaria boissyi as related to its infection with Schistosoma mansoni. Amer. Midi. Nat., 54, 394.
- Barlow, C. H. (1925). The life cycle of the human intestinal fluke Fasciolopsis buski (Lankester). Amer. J. Hyg. Monogr. Ser., 4.
- Bénex, J., and Lamy, L. (1959). Immobilisation des miracidiums de Schistosoma mansoni par des extraits de planorbes. Bull. Soc. Path, exot., 52, 188.
- Campbell, W. C., and Todd, A. C. (1955). In vitro metamorphosis of the miracidium of Fascioloides magna (Bassi, 1875) Ward, 1917. Trans. Amer. micr. Soc., 74, 225.
- Cheever, A. W., and Weller, T. H. (1958). Observations on the growth and nutritional requirements of Schistosoma mansoni in vitro. Amer. J. Hyg., 68, 322.
- Chernin, E. (1957). A method of securing bacteriologically sterile snails (Australorbis glabratus). Proc. Soc. exp. Biol., N.Y., 96, 204.
- Clegg, J. A. (1959). Development of sperm by Schistosoma mansoni cultured in vitro. Bull. Res. Coun. Israel, E, 8, 1.
- Ellis, M. M., Meirich, A. D., and Ellis, M. D. (1931). Properties of mussel blood. Bull. U.S. Bur. Fish., 46, 509.
- Ingersoll, E. M. (1956). In vitro survival of rediae of Cyclocoelum microstomum. Exp. Parasit., 5, 231.
- Krogh, A. (1939). Osmotic regulation in aquatic animals. Camb. Univ. Press.
- Maldonado, J. F., and Acosta Matienzo, J. (1947). The development of Schistosoma mansoni in the snail intermediate host, Australorbis glabratus. Puerto Rico J. publ. Hlth, 22, 331.
- Michelson, E. H. (1964). Miracidia-immobilizing substances in extracts prepared from snails infected with Schistosoma mansoni. Amer. J. trop. Med. Iiyg., 13, 36.
- Robinson, D. L. H. (1956). A routine method for the maintenance of Schistosoma mansoni in vitro. J. Helminth., 29, 193.
- Robinson, D. L. H. (1960). Egg-laying by Schistosoma mansoni in vitro. Ann. trop. Med. Parasit., 54, 112.
- Ross, O. A., and Bueding, E. (1950). Survival of Schistosoma mansoni in vitro. Proc. Soc. exp. Biol., N.Y., 73, 179.
- Senft, A. W., and Senft, D. G. (1962). A chemically defined medium for maintenance of Schistosoma mansoni. J. Parasit., 48, 551.
- Senft, A. W., and Senft, D. G. and Weller, T. H. (1956). Growth and regeneration of Schistosoma mansoni in vitro. Proc. Soc. exp. Biol., N.Y., 93, 16.
- Targett, G. A. T. (1962a). The amino-acid composition of blood from snail hosts of schistosomiasis. Ann. trop. Med. Parasit., 56, 61.
- Targett, G. A. T. (1962b). A study of the amino acids present in Lymnaea stagnalis, Planorbarius corneus and Australorbis glabratus before and after infection with Schistosoma mansoni. Ibid., 56, 210.