48 MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. ([Jan. 14, 
peristome white, margins converging and united by a slight callus, 
the right margin thin, the basal arcuate and thickened. 
Diam. maj. 113, min. 103, alt. 53 lines. 
Hab. New Georgia, on trees. 
Heuix (? PLecrorropis) HOWARDI, n. s. (Plate II. fig. 9.) 
Shell deeply umbilicated, lenticular, moderately solid, obliquely 
irregularly striated, and, beneath the lens, very finely granulated, 
yellowish horn-colour with two indistinct chestnut bands ; spire de- 
pressed, apex obtuse ; whorls 43, rather convex, the last a little de- 
scending, acutely keeled, slightly convex at the base, which is with- 
out bands; aperture narrowly ovate; peristome white tinged with 
brown at the junction of the margins with the body-whorl, margins 
converging and united by a callus, the right margin slightly expanded, 
the basal one expanded and reflexed. 
Diam. maj. 11, min. 9, alt. 4 lines. 
Hab. Arrowie, 450 miles north of Adelaide, South Australia. 
MINOLIA PULCHERRIMA, n. 8s. (Plate II. fig. 10.) 
Shell depressedly conical, rather solid, transversely finely ridged 
with two or three broader ridges forming keels, the interstices crossed 
everywhere with very fine close-set oblique striz, pinkish or yellowish 
white stained on the body-whorl with bright rose, and spotted on the 
keels with deep purple lake ; whorls six, angularly convex, sutures 
broadly and flatly channelled, last whorl tricarinate, white, and 
rounded beneath ; umbilicus wide, perspective, crenate within ; aper- 
ture circular, pearly inside; peristome continuous, margins thin, 
simple. 
Diam. maj. 4, min. 31, alt. 23 lines. 
Hab. Brisbane Water, New South Wales (Brazier). 
MINOLIA BELLULA, n. s. (Plate II. fig. 11.) 
Shell somewhat globosely conical, rather solid, polished, obscurely 
obliquely striated, and very finely spirally ridged, pale straw-colour, or- 
namented with a seriesof close-set serpentine descending rose-coloured 
flames on each whorl, ceasing on the last whorl at the periphery ; 
whorls 63, flatly convex, sutures flatly excavated, channelled, and 
narrowly margined, last whorl obtusely angled at the periphery, 
somewhat rounded at the base, which is silvery white; umbilicus 
deep, profound, and perspective, surrounded by a crenulated keel, 
from which faint striz radiate towards the periphery ; aperture cir- 
cular, pearly within ; peristome simple, margins not continuous, but 
strongly converging. 
Diam. maj. 5, min. 4, alt. 4 lines. 
Hab. Brisbane Water, New South Wales (Brazier). 
THRACIA SPECIOSA, n. s. (Plate II. fig. 12.) 
Shell elongately ovate, thin, white, rather compressed, very inequi- 
lateral, beaks posterior, irregularly concentrically striated, beyond the 
