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Show 926 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [Nov. 28, Order LUCINACEA. Fam. LuciNiD^E. 85. LUCINA SIMPLEX. Lucina simplex, Reeve, Conch. Icon. pl. 3. f. 11. A neat white species, finely concentrically ribbed, and cancellated with very fine longitudinal striae. Botauy Bay. Length 9 lines. In North Australia this species attains the size of 15 to 18 lines. 86. LUCINA (CODAKIA) RUGIFERA. Lucina rugifera, Reeve, Conch. Icon. pl. 1. f. 1. A solid elaborately sculptured species, allied to L. tigrina and L. exasperata, white within and without. Found at low water amongst the rocks at Watson's Bay and Middle Harbour, Port Jackson ; and at Wollongong and other rocky places along the coast. Length 2\ inches. 87. LUCINA (CODAKIA) PARVULA. Lucina parvula, Gould, 'Otia,' p. 174. This little species is somewhat produced anteriorly, concentrically ridged, and divaricately sculptured at the sides: yellowish white. Dredged in Port-Jackson and Botany Bays. Length 4 lines. The localities of Gould's types are China and Japan. 88. LORIPES TUMIDA. Lucina tumida, Reeve, Conch. Icon. Lucina, pl. 5. f. 22. An orbicular, swollen, thin shell of a dull white colour, superficially concentrically striated, and covered at the sides with a very fine epidermis radiately wrinkled here and there. Dredged in Port Jackson. Length 1 inch. The Lucina ovulum oi Reeve appears to be only the young state of this species. 89. LORIPES OVUM. Lucina ovum, Reeve, Conch. Icon. Lucina, pl. 5. f. 21. Less inflated than the preceding species, more truly orbicular in outline, and of a clear yellowish white. Dredged in Botany Bay. Length 11 lines. 90. LORIPES ICTERICA. Lucina icterica, Jleeve, Conch. Icon. Lucina, pl. 10. f. 60 a, b. A small white species, finely concentrically and (under the lens) radiately striated. The ligament, in this as well as in the following species, is situated in an oblique internal pit. Botany Bay ; also in St. Vincent's Gulf, South Australia. Length 5 lines. 91. *-*LORIPES ASSIMILIS. Loripes assimilis, Angas, antea, p. 910, Pl, XLIV. f. 8. |