34 HELIX. 



H. ECHINODERMA and H. LEACOCKIANA, Wollaston. Unfigured. 



Pto. Sancto. 

 H. ALBERTISII, Brazier. Unfigured. New Guinea. 



Subsection II. GEOMITRA, Swains. 1840. 



H. CORONATA, Desh. PI. 7, fig. 93. 



Moderately umbilicated, solid, fulvous white, suture deep, mar- 

 gined ; w T horls 5, angulated above, obliquely ribbed above, last 

 whorl car mated, suddenly deflected and narrowed in front, base 

 convex, undulately costulate ; aperture subhorizontal, nearly tri- 

 angular, peristome solute, continuous, a little expanded, right mar- 

 gin with an acute internal tooth. Diam. 6'5 mill. 



Ins. Madeira. 



H. juliformis, Lowe, is a synonym. 



H. DELPHINULOIDES, Lowe. PI. 7, figs. 94-96. 



Widely umbilicated, solid, minutely foveately rugose, opaque, 

 greyish, suture deep, margined ; whorls 6, subangular, strongly 

 plicately subclathrate towards the suture, with several distant "spiral 

 lirse above, the last whorl deeply deflected in front, subsolute ; aper- 

 ture nearly horizontal, rounded, with simple, expanded peristome. 



Diam. 17'5 mill. 



Madeira. 

 H. CORONULA, Lowe. PI. 7, figs. 97-99. 



Moderately umbilicated, dirty white or brownish, spire coronate, 

 suture impressed ; whorls 5 5i, carinate, radiately tuberculate and 

 foveolate above, the last sub-bicarinate on the periphery, deflected 

 in front, base regularly decussated ; aperture rounded, constricted, 

 crenulated, peristome continuous, subsinuately expanded. 



Diam. 7 mill. 



Ins. Deserta major, near Madeira. 



H. MONIZIANA, Paiva. PL 7, figs. 100-2. 



Moderately umbilicated, somewhat solid, obsoletely radiately 

 tuberculately plicate, greyish white, suture margined; whorls 5, 

 scarcely angular, with two spiral threads, limiting the radiating 

 plicse, periphery acutely carinated, last whorl shortly deflected, 

 constricted and solute at the aperture, base granularly lirate ; aper- 

 ture diagonal, scarcely crenulated within, peristome continuous, 

 simple, scarcely expanded, white. Diam. 7 mill. 



Madeira. 



It is H. coronula y Lowe, in part (recent). 



