HELIX-HADRA. 



161 



crenulated and encircled with a dark blackish band ; spire conical, 

 apex obtuse, base rounded, marked as above, having coarser lines 

 entering the umbilicus, with a dark broad band round it, aperture 

 somewhat diagonal, ovately lunate, within shining livid hue, per- 

 istome blue-black, thick, and broadly expanded and reflected, mar- 

 gins approximating, the right descending at the upper part, and 

 connected by a thin callus ; columellar margin very much thickened 

 and expanded half over the umbilicus. 



Variety: Yellowish, with one band one line wide on the periph- 

 ery, running spirally to the apex, with another broad one at the 

 suture, nearly obsolete on the second whorl, peristome lightish 

 brown, very dark behind ; dark reddish brown round the umbilicus. 

 (Brazier.} 



Alt. 17, greater diam. 23, lesser 18 lines. 



Great North Palm Island., North-east Australia ; found under 

 stones and rocks in the thick jungle. 



H.palmensis BRAZIER, Proc. Linn. Soc. N. S. Wales, i, p. 105 ; 

 var. meridionalis BRAZIER, 1. c., v, p. 458. 



Var. MERIDIONALIS Brazier. 



Shell very thin, transparent, brownish yellow ; suture with a dark 

 reddish brown band about half a line broad on the two lower whorls ; 

 four upper having it continued in a fine thread spirally to the apex ; 

 periphery with seven or eight faint nearly obsolete chestnut lines 

 contiguous to the suture ; umbilicus encircled with dark chestnut ; 

 peristome thin, slightly reflected, internal edge dark, nearly black. 

 (Brazier.} 



Diam. maj. 20, min. 15, alt. 14 lines. 



Large South Palm Island, northeast Australia. 



H. BELLENDENKERENSIS Brazier. PL 34, fig. 1. 



Shell deeply umbilicated, globosely turbinated, obliquely striated 

 and minutely transversely lined with small lines resembling grains, 

 reddish brown, with two spiral chestnut bands, one on the center 

 and the other above ; whorls 6, slightly convex, last large ; base 

 convex, striated as above ; spire conical, obtuse ; aperture oblique, 

 ovately lunate, interior blue-black ; peristome thickened and re- 

 flexed ; margins approximating, right descending a little, columel- 

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