300 
41. Columbella (Mitrella) laeta ßrazier. 
Shell ovate, smooth, acuminated at both ends, fulvous; whorls 6 spirally angled, 
slightly convex, transparent white at the angle, marbled above and below with dark 
fulvous lines, sometimes flexuously waved; spire short, apex white, rounded; aperture 
narrow, little more than half the whole length, canal narrow, slightly recurved, columella 
smooth, curved, grooved in the middle, inner part forming a sharp lip below upper part, 
with thin deposit of callus, varicose below on the outside; peristome white, thin at edge, 
gibbous in the middle. 
Long. 4, diam. 1,5 mm. 
Columbella laeta Brazier Pr. Linn. Soc. N S. Wales I p. 231. 
Dariiley Island, Torres Strasse. 
42. Columbella (A t i 1 i a) m e r i t a Brazier. 
Shell thin, acicular, much contracted at the base, yellowish white, whorls 8 — 9 flat- 
tened, minutely tabled at the suture, ornamented with roundish opace white spots, below 
the suture and between the spots two narrow transverse reddish yellow lines one above 
the other; the lowcr having longitudinal lines of the same color running down, divided 
with a white band on the centre of the last whorl; spire very much lengthened; aperture 
pear shaped, peristome thin, sinus at upper part; columella varicose; canal short, narrow. 
Long. 7, diam. 2,5 mm. 
Columbella merita Brazier Pr. Linn. Soc. Lf. S. Wales I 1877 p. 231. 
Darnley Island, Torres Strasse. 
43. Columbella (Seminella) clathrata Brazier. 
Shell ovately fusiform, yellowish white, polished, longitudinally roundly ribbed, ribs 
smooth, interstices clathrate; suture canaliculated , noduled above and below; whorls 6 
convex, the last lower half transversely grooved on the back, giving the surface a noduled 
appearance; aperture white, nearly oblong-ovate ; columella straight, with thin lip, having 
3 white nodules; peristome thin ad edge, thickened internally, having 8 tubercles, the 
second upper one prominent, somewhate lirate, sinuate at the upper part, canal short, 
narrow. 
Long. 7, diam. 4 mm. 
Columbella clathrata Brazier Pr. Linn. Soc. N. S. Wales I 1877 p. 229. 
Katow, Neu Griiinea. 
