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References to Literature
1. Bouvier, E. L., 1887. Systeme nerveux, morphologie generale et classification des Gasteropodes prosobranches. Ann. des Sci. Nat. (Zool)., 7, iii.
2. Breed, R. S., Murray, E. G. D., and Hitchens, A. P., 1948. Manual of Determinative Bacteriology, Bergey, 6th Edn., London.
3. de la Torre, C., Bartsch, P, and Morrison, J. P. E., 1942. The Cyclophorid Operculate Land Molluscs of America. U.S. Nat. Mus. Bull, Smithsonian Inst., Washington, D.C.
4. Fretter, Vera, 1946. The Genital Ducts of Theodoxus, Lamellaria and Trivia, and a Discussion on their Evolution in the Prosobranchs. J. Mar. Biol. Ass. U.K., 26, 312–351.
5. Graham, A., 1938. On a Ciliary Process of Food-collecting in the Gastropod, Turritella communis Risso. Proc. Zool. Soc. London A, 108, 453.
6. — 1939. On the Structure of the Alimentary Canal in the Style-bearing Prosobranchs. Ibid, B, 109, 75.
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7. Graham, A., 1949. The Molluscan Stomach. Trans. Roy Soc. Edin., 61, 737.
8. Morton, J. E., 1951. The Ecology and Digestive System of the Struthiolariidae (Gastropoda). Quart. Journ. Micr. Sci., 92, (1), 1–25.
9. — 1951a. The Structure and Adaptations of the New Zealand Vermetidae. Pt. 1. Genus Serpulorbis. Trans. Roy. Soc. N. Z.,
10. — 1951b. The Role of the Crystalline Style. Proc. Malacol. Soc. Lond (in the press).
11. Powell, A. W. B., 1946. New Zealand Shellfish, Auckland, 2nd Edn.
12 Suter, H., 1913. Manual of the New Zealand Mollusca. Govt. Printer, Wellington. (With Atlas of Plates, 1915.)
13. Thiele, J., 1931. Handbuch der systematischen Weichtierkunde, I. Jena, Fischer.
14. Walker, E, and Warren, F. L., 1938 Decomposition of Cellulose by Cytophaga. Biochem. J., 32, 1, 31.
15. Yonge, C. M., 1927. Structure and Physiology of the Organs of Feeding and Digestion in Ostraea edulis. J. Mar. Biol. Ass. U.K., 14, 295–386.
16. — 1936. On Some Aspects of Digestion in Crliary Feeding Animals. Ibid., 20, 341–346.
17. — 1939. The Protobranchiate Mollusca: a Functional Interpretation of their Structure and Evolution. Phil. Trans. Roy. Soc., Lond., B, 230, 79.