232 THE PROCEEDINGS OF THE LINNEAN SOCIETY 



thin at edge, very much thickened within, having from 2 to 3 

 small obtuse teeth, sinuated above, aperture oblong, ovate, canal 

 short, slightly recurved. 



Length 3 lines, breadth 1 line. 



Hah. Darnley Island, Torres Straits, 20, 30 fathoms, white 

 sandy bottom. 



Of fifty specimens found, there are not two alike in markings ; 

 some are all white, some brown with snow spots, others brown 

 with white flames. 



32. — COLUMBELLA (AmYCLA) ABYSSICOLA, N. SP. 



Shell oblong, pyramidal, smooth, whitish, whorls 8, slightly 

 angled, flatly convex, tabled at the suture, opaque white, spirally 

 encircled in the centre with yellowish brown broad-arrow shaped 

 markings ; points showing to the right, marked as four arrows 

 placed one behind the other, opaque between, every alternate 

 space arrow shaped, last whorl below having the markings more 

 numerous and close set ; spire short, apex ivory white, columella 

 having seven conspicuous ridges with small expanded lip extending 

 across the body whorl in a thin callus plate ; joined to the upper 

 part near the suture, peristome thickened in the middle, strongly 

 denticulated within, aperture oblong ovate, white, canal narrow, 

 short. 



Length If, breadth | line. 



Hah. Percy Island No 2, North-East Australia, 18 fathoms, 

 found on a piece of Astreopora brought up in the dredge from a 

 coral and sand bottom, one specimen found ; Darnley Island, 

 Torres Straits, 20, 30 fathoms, white sand bottom, thirteen speci- 

 mens found ; Katow, New Guinea, 7 fathoms, sandy mud bottom, 

 one specimen found. 



33. COLUMBELLA (ASTYRIS) L.ETA, N. SP. 



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 

 fiexuously waved, spire short, apex white, rounded, columella 



