114 MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. [Jan. 21, 



outer lip thickened, white, a little sinuated posteriorly. Length 

 4 lines, breadth H line. 



Port Jackson, deep water {Coll. Angas). 



20. RiSSOINA TURRICULA, 11. S. (PI. XIII. fig. 20.) 



Shell elongately turreted, rather solid, whitish ; whorls eight, 

 slightly rounded, longitudinally strongly plicate, angulated at the 

 sutures, the base of the last whorl furnished with a prominent spiral 

 rib ; aperture ovate ; outer lip thickened and strongly sinuate. 

 Length 2^ lines, breadth ^ line. 



Port Jackson, deep water {Coll. Angas). 



21. RiSSOINA SMITHI, n. s. (PI. XIII. fig. 21.) 



Shell narrowly elongate, solid, whitish, sometimes handed with 

 pale brown below the sutures ; whorls seven, a little convex, longi- 

 tudinally strongly and rather distantly plicate, the plicae curved above 

 and nearly obsolete at the base of the last whorl, transversely very 

 finely and closely striated ; aperture semilunar, sometimes violet 

 within ; outer lip white, thickened, and moderately sinuated behind. 

 Length 3 lines, breadth I line. 



Port Jackson {Coll. Angas). 



22. RiSSOINA CINCTA, u. s. (PI. XIII. fig. 22.) 



Shell small, narrowly elongate, rather solid, white, zoned with 

 brown ; whorls seven, convex, longitudinally distantly plicate, plicae 

 evanescent on the last whorl, transversely Urate throughout ; aper- 

 ture subovate ; outer lip a little thickened, and slightly sinuate be- 

 hind. liCngth 2\ lines, breadth ^ line. 



Port Jackson, deep water {Coll. Angas). 



2,3. Capulus violaceus, n. s. (PI. XIII. fig. 23.) 



Shell elevated, laterally compressed, recurved, oblong-ovate at the 

 base, radiately striated ; apex free, inclined to the right ; internally 

 with a very narrow rib, rounded at the edge, situated in the cavity 

 of the shell and extending on either side nearly to the middle of the 

 aperture ; interior violet. Length 8 lines, breadth 3 lines. 



{Coll. Angas.) 



A single example of this curious shell was obtained by myself ad- 

 hering to the edge of a stone at low-water mark at Long Bay, out- 

 side Port Jackson Heads. 



24. Eutropia (Tricolia) rosea, n. s. (PI. XIII. fig. 24.) 



Shell minute, thin, shining, ovate, of a uniform deep rose-colour 

 throughout ; whorls four, somewhat flattened at the upper part, then 

 convex ; columella white ; edge of the outer lip stained with a line 

 of dark rose. Length 1^ line, breadth 1 line. 



From shell-sand in Coodgce Bay, New South Wales {Coll. 

 Angas). 



