Proceedings of the Scientific Meetings of the Zoological Society of London 1867

Page 241

202 MR. G. F. ANGAS ON AUSTRALIAN MOLLUSCA. [Feb. 14, Deep water, Port Jackson. This species appears identical with S. luteum, Lam., from the Mediterranean. The only difference is that the spots on the sutural ridges are darker in the Australian specimens. Height 3^- lines, breadth 6 lines. Suborder TOXIFERA. Fam. TEREBRID,E. 95. *Acus (ABRETIA) BICOLOR. Acus bicolor, Angas, P. Z. S. 1867, p. 111. A whitish species, with the whorls more or less longitudinally ribbed, and the lower portion of the last whorl stained with violet chestnut. Dredged in Port Jackson. Length 7\ lines. 96. *Acus (ABRETIA) ASSIMILIS. Acus assimilis, Angas, P. Z. S. 1867, p* 111. In this species the whorls are more rounded, strongly ribbed, and shaded with brown towards the sutures. The last whorl has a white band, and is stained with dark brown below. Dredged in Port Jackson. Length 6 lines. 97. *Acus (EURYTA) TRILINEATA. Euryta trilineata, A. Adams & Angas, P. Z. S. 1863, p. 418, pl. 37. f. 13. An elegant fusiform shell, with the whorls longitudinally plicate and encircled with two or three brown thread-like lines. Dredged in deep water, near Port Jackson Heads. Length 7 lines. Fam. TURRITID.E. Subfam. TURRITIN.*:. 98. * B E L A MITRALIS. Bela mitralis, Ad. & Ang. P. Z. S. 18G3, p. 420. A pale yellow elongated species, ornamented with a band of red spots at the suture of the last whorl. Dredged in Port Jackson. Length 8 lines. 99. DRILLIA (CRASSISPIRA) OWENI. Pleurotoma oweni, Gray, MSS. ; Reeve, Conch. Icon. pl. 9. sp. 70. An elegant species, of a pale ash-colour, with the whorls plicately nodulated at the upper part and the lower whorl beautifully nodu-lously cancellated. Dredged in Port Jackson in deep water. Length 1 inch 3 lines. 100. DRILLIA RADULA. Pleurotoma radula, Hinds, Moll. Voy. Sulphur, pl. 5. f. 9. Deep water, Port Jackson. Length 1 inch.