— 300 — 



41. Columbella (Mitrella) laela Brazier. 



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, sometlmes flexuously waved; spire short, apex white, rounded; aperture 

 uarroW; little more than half ihe whole length, canal narrow, slightly recurved, columella 

 smooth, curved, grooved in the middlc, inner part forming a sharp lip below Upper part, 

 v?ith tliin deposit of callus, varicose below on the outaide; 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. 



Darnley Island, Torres Strasse. 



42. Columbella (Atilia) nierila Brazier. 



Shell thin, acicular, much contracted at the base, yellowish white, whorls 8 — 9 fiat- 

 tened, minutely tablcd at the suture, ornamented with roundish opace white spots, belovr 

 the suture and between the spots two narrow transverse reddish yellow lines one abov^e 

 the other; the Icwur having longitudinal lines of the same color running down, div'.ded 

 with a white band on the centre of the last whorl; spire very much lengthened; aperture 

 pear shaped, perietome thin, sinus at upper part; columella varicose; canal short, narrow. 



Long. 7, diam. 2,5 mm. 



Columbella merita Brazier Pr. Linn. Soc. xS. 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, caual short, 

 narrow. 



Long. 7, diam. 4 mm. 



Columbella clathrata Brazier Pr. Linn. Soc. K S. Wales I 1877 p. 229. 



Katow, Neu Gruinea. 



