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Show 304 MR. A. GARRETT ON THE TERRESTRIAL [Mar. 1, expanded, duplicated, slightly sinuated, and the columella nodulous. 5. DIPLOMMATINA GODEFFROYANA, Mousson. Diplommatina (Diancta)godeffroyana, Mousson, Journ. de Conch. 1870, p. 182, pl. 8. fig. 4; Paetel, Cat. Conch, p. 118; Schmeltz, Cat. Mus. Godeff. v. p. 102 ; Pfeiffer, Mon. Pneum. iv. p. 82. Also discovered by Dr. Graffe on the southern portion of Viti Levu. It is described as a sinistral, ovate, inflated, whitish horn-coloured species, with distant lamina-like striae, 6 whorls, the antepenultimate larger than the penultimate, and the latter larger than the body-whorl, which slightly ascends the preceding one. The subvertical aperture is circular; the peristome is acute, shortly expanded, and slightly duplicated. Length 3| millim. 6. DIPLOMMATINA TUBEROSA, Mousson. Diplommatina (Diancta) tuberosa, Mousson, Journ. de Conch. 1870, p. 185; Paetel, Cat. Conch, p. 118; Schmeltz, Cat. Mus. Godeff. v. p. 102 ; Pfeiffer, Mon. Pneum. iv. p. 83. This is another of Dr. Graffe's newly discovered species, which he found at Vaini Loba, on the south part of Viti Levu. It is described as a sinistral, rather thin, elongate-ovate, pale horn-coloured species, with distant lamelliform riblets, 6 rounded whorls, the penultimate retracted and compressed in front, and the sides inflated. The last whorl is small, attenuated, and slightly ascending. The aperture is subcircular, and the peristome is slightly reflexed. Length 3-4 millim. 7. DIPLOMMATINA QUADRATA, Mousson. Diplommatina (Diancta) quadrata, Mousson, Journ. de Conch. 1870, p. 187, pl. 8. fig. 1; Pfeiffer, Mon. Pneum. iv. p. 83. Also found by Dr. Graffe at Viti Levu. A sinistral, ovate, pale-yellowish species, with crowded costulate striae and convexly conical spire. Whorls 5, rapidly increasing, convex, the fourth one subinflated, the penultimate swollen on the back and retracted on the front, the last one attenuated, compressed at the base, and rapidly ascending. The subquadrate aperture is subpatulous, and the peristome is expanded. Length 4\ millim. 8. DIPLOMMATINA TAVIENSIS, Liardet. Diplommatina taviensis, Liardet, Proc. Zool. Soc. 1876, p. 101, pl. 5. figs. 9, 9a. " Shell with the penultimate whorl contracted in front, leaving the previous one and lip of the aperture joining regularly costated ; lip double; aperture circular and entire." " Animal with two tentacles, short and cylindrical, with an active arched motion, as in Helicina. Eyes situated at the base of the tentacles inside." "Hab. Taviuni, Fiji." (Liardet.) |