REFERENCES
- Annandale, N. (1922). Notes on the Genera Bullinus and Physa in the Mediterranean Basin (Mollusca Pulmonata). Ind. Journ. Med. Res. Vol, 10, 482–491.
- Annandale, N. (1924). [In Faust and Meleney, Studies on Schistosomiasis japonica.] Appendix A. The Molluscan Hosts of the Human Blood Fluke in China and Japan, and species liable to be confused with them. Amer. Jl. Hyg. Vol, Monographic Series, No. 3, pp. 269–294.
- Germain, L., and Neveu-Lemaire, M. (1926). Essai de Malacologie médicale. Ann. Parasitol. Vol, Paris, 4, 286–307, 352–384.
- Pilsbry, H. A., and Bequaert, J. (1927). The Aquatic Molluscs of the Belgian Congo. With a geographical and ecological account of Congo malacology. Bull. Amer. Mus. Nat. Hist. Vol, 53, Art. II, pp. 69–602.
- Robson, G. C. (1921). On the Anatomy and Affinities of Hypsobia nosophora. Ann. and Mag. Nat. Hist. Vol (9), 8, 401–413.
- Thielf, J. (1927). Handbuch der System. uischen Weichtierkunde, Erster Teil. (Jena).