254 HELIX. 



periphery denticulately carinate; peristorae acute, white-lipped 



within. Diam. 9 mill. 



Malta. 



H. Schembriana, Benoit is a synonym. 





 Var. SIDERITES, Friv. 



Pyramidal, rugose, moderately umbilicated, convex below, white, 

 sometimes with chestnut niaculations above, bifasciate with chestnut 

 below; whorls 4J, the last descending, with a dentate carina. 



Diam. 9 mill. 



Syra. 

 H. GROVESIANA, Paulucci. PI. 61, figs. 84, 85. 



Rather widely umbilicated, solid, cretaceous white, closely costu- 

 late-striate, suture slightly crenulated; whorls 5, a little turgid above, 

 convex below, carina compressed, crenulated; simple, white-lipped 

 within. Diaru. 9 '5 mill. 



Abruzzi, Italy. 



With higher spire, finer strise and smaller umbilicus than in 

 H. Spratti. 



H. ROZETI, Mich. PI. 62, figs. 26-28. 



Narrowly umbilicated, costulate-striate, dirty white, marbled and 

 interruptedly banded with chestnut; whorls 5, subplanulate, the 

 last not descending, base convex, periphery carinate; peristorae 

 acute, white-lipped within. Diam. 12 mill. 



Majorca, Sicily, Morea, Algiers. 



It is H. amanda, Rossm., H. Boissyi, Terver, H. limbata, Phil., 

 and ? H. striatula, Linn. 



H. USTICENSIS, Calcara. PI. 62, figs. 29-31. 



Narrowly umbilicated, rather thin, obliquely costulate-striate, 

 opaque, white, with interrupted chestnut bands, suture linear; 

 whorls 5J, flattened above, base convex, almost cylindrically com- 

 pressed around the umbilicus, periphery carinate; peristome acute, 

 white-lipped within. Diain. 14*5 mill. 



Ins. Ustica, Sicily. 



H. HENONIANA, Bourg. PI. 62, figs. 17-19. 



Narrowly umbilicated, subpellucid, costulate-striate, corneous, 

 flamed with reddish or grey above, with four somewhat interrupted 

 bands below ; whorls 6, carinate, flat above, a little convex below, 

 periphery acutely carinated ; peristome acute. 



Diam. 17 mill. 



Kabylma. 



