REFERENCES
- Annecke, S., and Peacock, P. N. B. (1951). Bilharziasis in the Transvaal. S. Afr. med. J., 25, 689.
- Archibald, R. G. (1933). The endemiology and epidemiology of schistosomiasis in the Sudan. J. trap. Med. Hyg., 36, 345.
- Barlow, C. H. (1933). The effect of the “winter rotation” of water upon snails involved in the spread of schistosomiasis in Egypt, 1930–1931 and 1931–32. Am. J. Hyg., 17, 724.
- Barlow, C. H. et al. (1945–1954). Annual reports, Bilharzia Snail Destruction Section, Ministry of Public Health, Egypt, 1942–51.
- Chu, K. Y., Arfaa, F., and Massoud, J. (1967). The survival of Bulinus truncatus buried in mud under experimental outdoor conditions. Ann. trop. Med. Parasit., 61, 6.
- Chu, K. Y., Arfaa, F., and Massoud, J. Bijan, H., and Massoud, J. (1967). The ability of Bulinus truncatus, Biomphalaria alexandrina and Lymnaea gedrosiana to survive out of water in the laboratory. Ibid., 61, 1.
- Gaud, J., Arfaa, F., and Zeini, A. (1962). Observations sur la biologie de Bulinus truncatus au Khouzistan (Iran). Annls Parasit. hum. comp., 37, 232.
- LariviÈre, M., Hocquet, P., and Ranque, P. (1962). Etude de la résistance à L'anhydrobiose des gastropodes d'eau douce Bulinus guernei Dautzemberg et Biomphalaria pfeifferi gaudi Ranson. C. r. Séanc. Soc. Biol., 156, 723.
- McCullough, F. S. (1962). Further observations on Bulinus (Bulinus) truncatus rohlfsi (Clessin) in Ghana: seasonal population fluctuations and biology. Bull. Wld Hlth Org., 27, 161.
- Olivier, L. (1955). The natural history and control of the snails that transmit the schistosomes of man. Am. J. trop. Med. Hyg., 4, 415.
- Olivier, L. (1956). The location of the schistosome vectors, Australorbis glabratus and Tropicorbis centimetralis, on and in the soil on dry natural habitats. J. Parasit., 42, 81.
- Olivier, L. and Barbosa, F. S. (1955). Seasonal studies on Tropicorbis centimetralis in Northeastern Brazil. Publções avuls. Inst. Aggeu Magalhães, 4, 105.
- Olivier, L. and Barbosa, F. S. (1956). Observations on vectors of schistosomiasis mansoni kept out of water in the laboratory. II. J. Parasit., 42, 277.
- Perlowagora-Szumlewicz, A., and Dias, G. de O. (1955). Experiências de laboratório sôbre a possibilidade de os planorbideos viverem dentro da lama ou nela se enterrarem na ocasião do tratamento com planorbicidas. Revta bras. Malar. Doenç. trop., 7, 375.
- Webbe, G. (1962). The transmission of Schistosoma haematobium in an area of Lake Province, Tanganyika. Bull. Wld Hlth Org., 27, 59.