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Show 1867.] MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. 115 25. EUTROPIA (TRICOLIA) VIRGO, n. s. (Pl. XIII. fig. 25.) Shell minute, rather thin, globosely conical, white; whorls four, the last whorl ventricose, and painted with fine undulating pink lines, darker at the sutures, where they are separated by several broad descending white flammules; the lower portion of the last whorl encircled by a row of white spots; columella slightly excavated, white. Length 1 line, breadth -J line. From shell-sand, Coodgee Bay, N e w South Wales (Coll. Angas). 26. GIBBULA coxi, n. s. (Pl. XIII. fig. 26.) Shell orbicularly conical, moderately umbilicated, rather solid, whitish, marbled with olive and pink, with a few broad pure white flames descending from the sutures and interrupted on the keels with brownish red ; base reticulated with grey and minutely spotted with red ; spire conical ; whorls five, angular, with two prominent rounded keels, one next the suture, concave between the suture and the upper keel, and a little concave between the keels, finely spirally ridged and decussated with exceedingly fine and close oblique longitudinal lines; base convex, finely concentrically ridged and decussated like the whorls, the ridges increasing in size towards the umbilicus. Alt. 4 lines, diam. 4 lines. Dredged in Port Jackson (Coll. Angas). I have named this elegant little Gibbula in honour of Dr. Cox of Sydney, to w h o m we are indebted for the descriptions of many new species of Australian land shells. 27. GADINIA CONICA, n. s. (Pl. XIII. fig. 27.) Shell convexly conical, white, strongly irregularly radiately ribbed; ribs about thirty-eight in number, concentrically ridged ; apex sub-central ; white within. Alt. 2-f- lines, length 3| lines, breadth 3 lines. Coodgee Bay, outside Port Jackson Heads (Coll. Angas.) 28. LOPHVRUS SMARAGDINUS, 11. S. (Pl. XIII. fig. 28.) Shell oblong-elliptic, elevated, most minutely punctured, dull bluish green, delicately freckled with olive, the hinder edges of the valves ornamented with very small white spots bordered with olive; the terminal valves and lateral areas faintly concentrically striated, the central valves carinated, with the dorsal areas faintly transversely striated, the lateral areas slightly elevated; mantle-margin pale green, marbled with black, and covered with small smooth imbricated scales. Length 6 lines. Port Jackson (Coll. Angas). 2*9. ONITHOCHITON RUGULOSUS, n. s. (Pl. XIII. fig. 29.) Shell elongately ovate, a little narrowed in front, raised and carinated, pale yellowish brown, the central areas of the valves faintly spotted with olive, the outer edges bordered with green, upon which |