| OCR Text |
Show 1867.] MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. 113 finely transversely striated ; sutures impressed ; aperture small, narrowly ovate, somewhat produced anteriorly; columella nearly straight, whitish, the fold very small and rudimentary ; outer lip simple. Length 3 lines, breadth -| line. Dredged in deep water, Port Jackson (Coll. Angas). 15. DRILLIA COXI, n. s. (Pl. XIII. fig. 15.) Shell acuminately turreted, pale fulvous; whorls nodosely angulated at the upper part, and encircled with rather distant somewhat nodulous raised stria?, between which are numerous fine thread-like lines ; canal short, straight; outer lip thin ; sinus moderate. Length 9 lines, breadth 3 lines. Dredged in Port Jackson (Coll. Angas). 16. DRILLIA METCALFEI, n. s. (Pl. XIII. fig. 16.) Shell acuminately clavate, pale fulvous; whorls with a fillet of slanting plicate nodules next the sutures, angulated with sharp plicate nodules at the upper part, longitudinally rather sharply ribbed, and cancellated with irregular raised striae, which are broader at the lower part of the last whorl, where the longitudinal ridges terminate in a band of small nodules ; canal short; outer lip thin ; sinus rather broad and deep. Length 7| lines, breadth 24^ lines. Dredged in Port Jackson (Coll. Angas). 17. CLATHURELLA ZONULATA, n. s. (PL XIII. fig. 17.) Shell fusiform, rather solid, light brown, banded with ashy grey below the sutures and at the base of the last whorl, encircled with rather distant fine brown lines, longitudinally nodosely plicate, and transversely closely ribbed; spire elevated ; whorls seven, convex; aperture narrow; inner lip arcuate; outer lip thin, thickened externally ; sinus moderate. Alt. 4 lines, diam. 1| line. Dredged in Port Jackson in deep water (Coll. Angas). 18. ALABA PHASIANELLA, n. s. (Pl. XIII. fig. 18.) Shell elongately conical, thin, semipellucid, whitish, encircled by several thread-like, more or less interrupted, brown lines, with a band of alternate white and brown spots above the sutures, and a few short longitudinal brown flames beneath them ; whorls nine, nearly flat; aperture ovate ; columella arcuate ; outer lip simple, acute. Alt. 3 lines, diam. 1 line. Dredged in Port Jackson (Coll. Angas). 19. RISSOINA VARIEGATA, n. s. (Pl. XIII. fig. 19.) Shell elongate, solid, white, sometimes broadly banded with livid purple, or ornamented with zigzag chestnut markings ; whorls seven, slightly convex, longitudinally plicate, plicae ceasing at the periphery of the last whorl, transversely finely closely striate ; sutures distinct; aperture semilunar, chestnut within ; inner lip moderately callous ; PROC. ZOOL. Soc-1867, No. VIII. |
