HELIX. 22~> 



obtuse, yellowish corneous, smooth ; whorls 4-5, the first regularly, 

 last rapidly increasing, subconvex-depressed, separated by moderate- 

 ly impressed sutures ; body-whorl large, depressed, obscurely cari- 

 uated at the periphery, gently descending and suddenly deflexed ; 

 aperture oblique, lunate, ovate, the margins approximating ; peri- 

 stome somewhat acute, a little expanded, white, sublabiate within, 

 reflexed at the umbilicus, the columellar margin appressed, slightly 

 thickened. Diam. 17, alt. 8 mill. (Mabille.') 



^fonte diSommn, J'mbria. 

 May be a synonym of H. strit/tttn Fer. 



H. TIBKKII (Parr.) Martens, 1860. 



Covered perforate, conic-depressed, obliquely rugose-striate, de- 

 cussated by microscopic spiral strire, bands four, interrupted, the 

 upper three confluent, marbled ; aperture very oblique, transversely 

 oval, brown within; peristome white, sublabiate, superior margin 

 straight, columellar margin straightened, callus, subdentate, ap- 

 pressed. Diam. 21, alt. 10 mill. (Minienx.) 



Sicily. 



I can learn nothing of the species. 



H. HUKLOWI Malt/can, 1886. 



Entirely covered, or very slightly rimate, depressed, nearly lentic- 

 ular, acutely carinated, solid, irregularly rugose, under a lens show- 

 ing very subtle spiral lines, grayish white, quadrifasciate with brown 

 maoulations ; whorls 5, the apical slightly convex, smooth, the fol- 

 lowing planulate, with a margined carina at the suture ; body-whorl 

 convex above and below, with a submedian prominently compressed 

 carina, anteriorly abruptly, deeply deflexed ; aperture very oblique, 

 angulate-ovate, somewhat lunate, the margins converging, but scarce- 

 ly connected, the upper at first subinflexed, then patulous, the low- 

 er reflexed, with a white shining callus, distinctly tuberculate in the 

 middle within, a brown spot at its insertion. 



Diam. 22-1, alt. 12 mill. (MaUznn.) 



Gape San Vito, Sicily. 



Differs from H. xrnhrtiixputtt in the median carina, and the re- 

 flexed, strongly dentate basal margin. 



H. KOLLKI Maltzan, 1886. 



Depressed, rather solid, rather smooth, under a lens irregularly 

 striatulate, shining, whitish, ornamented with brown strigations 

 above, which tend to form three bands, and with an interrupted 

 15 



