168 LOBIGER. 
Lobiger pellucidus A. Av., P. Z. §., 1854, p. 94.—Lophocereus 
pellucidus ADAMs, Gen. Rec. Moll., ii, p. 831.—Fiscuer, Journ. de 
Conchyl., 1856, p. 274 (copy of original description ).— Oxunoe pel- 
lucida Morcn, Journ. de Conch., 1863, p. 46. 
This species differs from ZL. philippit in being white and nearly 
pellucid, and from L. cumingii in the very different form of the 
aperture, this not being produced into a narrow spout-like canal pos- 
teriorly. (Ad.). 
L. NEVILLI Pilsbry, n.n. PI. 10, figs. 34, 35. 
Shell ovate, involute, thin, greenish, the last whorl much inflated 
behind. Aperture oblong, attenuated and rounded in.front, shortly 
produced and somewhat narrowed behind ; inner lip thin, in part 
straight, smooth, slightly elevated; outer lip arcuately expanded, 
thin at the edge. Alt. 5°5, diam. 3°5 mill. (Nev.). 
Southern province of Ceylon. 
Lobiger viridis G. & H. Nevix1z, Journ. Asiat. Soc. Beng., xxxviil, 
pt. 2, p. 68, pl. 13, f.6 (1869).—Not L. viridis Pease, 1863. 
L. nevilli differs from the other species of the same genus in being 
anteriorly much more gradually rounded, as also by its great tumid- 
ity near the spire. (Jevill.). 
L. witsont Tate. Frontispiece, fig. 5. 
Animal with the body produced into a very narrow, pointed, 
smooth tail of a green color, shortly extended beyond the shell. 
Foot with two oblong-rounded and pale-green lobes, which are some- 
what attenuated into a broadish stalk. 
Shell thin, flexible, straw-yellow ; spire rudimentary but involute. 
Somewhat pyriform, slightly attenuated in front, and truncated 
apically ; aperture narrow-ovate, truncate behind. Surface finely 
striated. Length 8, width 5 mill. (Tate). 
Lower end of South Channel of Port Phillip, South Australia, 
seven to sixteen fathoms (J. B. Wilson). 
Lobiger wilsont Tate, Trans. and Proc. and Rep. Roy. Soc. South 
Australia, xi, p. 66, pl. 11, f. 12 (1889).—Wiuxson, Proc. Roy. Soe. 
Victoria (n. ser.) ii, p. 66 (1890). 
Subgenus Dipreropuysis Pilsbry, 1896. 
Like Lobiger, but with a single pleuropodial lobe on each side. 
L. souverBit Fischer. PI. 10, figs. 39, 40, 41, 42. 
Shell ovoid, thin, pellucid, longitudinally striated, dilated in the 
middle, obliquely truncated in front, rounded behind and slightly 
