HELIX. 253 



vated, pyramidal ; whorls 6, subplanulate above, convex below, 

 periphery carinate ; peristome acute,- white-lipped within. 

 Diam. 13 mill. 



Ins. Maretimo, Sicily. 



Var. UNICOLOR, Benoit. 



Whitish, sometimes the inferior bands obsolete. 



Var. RUGULOSA, Benoit. 



Chestnut white, with distant, serial, chestnut maculations 

 above, without markings below ; costulately rugose. 



H. TINEANA, Benoit. PL 62, figs. 92-94. 



Rather narrowly umbilicated, closely, minutely costulate, dirty 

 white, unicolored or chestnut banded ; whorls 5, subplane, the last 

 a little tumid above, convex below ; scarcely descending in front, 

 periphery carinate, carina vanishing towards the aperture, suture 

 margined ; peristome acute, chestnut-lipped within. 



Diam. 12' 5 mill. 



Sicily. 



Var. KOBELTIANA, Westerl. 



Narrowly umbilicated, globosely depressed, spire conoidal, obtuse, 

 reddish brown, umbilical region yellowish corneous, with a median 

 white band, white at the suture ; aperture thinly white-lipped. 



H. TRISTRAMI, Pfr. PI. 62, figs. 95-97. 



Rather widely umbilicated, thin, obliquely plicate-striate, opaque, 

 dirty white, obsoletely variegated with corneous ; whorls 5, flattened, 

 convex below, periphery crenulately carinate ; peristome acute, sub- 

 labiate within. Diam. 12 mill. 



Tunis. 

 H. ARIANENSIS, Bourg. PI. 62, figs. 98-100. 



Rather narrowly umbilicated, carinate, convex above and below, 

 solid, chalky, rugose, costate, greyish, somewhat obscurely interrup- 

 tedly banded with chocolate; whorls 5J, slowly increasing, the last 

 shortly descending at the aperture ; aperture deeply labiate. 



Diam. 8 mill. 



Tunis. 

 H. SPRATTI, Pfr. PI. 61, figs. 82, 83. 



Rather widely umbilicated, closely costulate, dirty white or 

 brownish, with darker bands; whorls 5, turgid above, base convex, 



