HELIX. 257 



H, BARCELOI, Hidalgo. PL 63, figs. 36-38. 



Widely umbilicated, with close rib-like striae, carinated at the 

 suture and periphery, where the carina is minutely crenulated, 

 whitish. Diam. 10 mill. 



Alicante. 



H. MONTSERRATENSIS, Hidalgo. PL 63, figs. 31-33. 



Narrowly umbilicated, nearly opaque, not shining, somewhat 

 solid, closely irregularly costulate-striate, whitish, or yellowish 

 grey, often with an interrupted chestnut band above the carina ; 

 whorls 5J, flattened, rather slowly increasing, the last deflected in 

 front, carinate at the periphery, convex below; peristome acute, 

 widely white-lipped within. Diam. 13 mill. 



Montserrat, Spain. 



H. PRIETOI, Hidalgo. PL 63, figs. 34. 35. 



Moderately umbilicated, somewhat solid, closely costulate, riblets 

 somewhat obtuse, irregular, obliquely curved above, subflexuous 

 below, here and th^re shorter or bifurcate, opaque, fulvous white, 

 or ferruginous, sometimes with one to four interrupted bands ; 

 whorls 5-5 , a little convex, the last descending in front, cren- 

 ulately carinated, . base convex ; peristome acute, white-lipped 

 within. Diam. 10 mill. 



Malorca, Balearic Is. 



It is H. Setubalensis, Dohrn and Heynemann, not Pfr. 



H. PONSII, Hidalgo. PL 63, figs. 41, 42. 



Moderately umbilicated, obliquely costulate, bifurcate on the 

 base, yellowish, maculated and banded with chestnut ; whorls 6, 

 slightly convex, suture carinate, the last whorl slightly dilated, 

 carina compressed, with white crenulations, base convex, obtusely 

 cristate around the umbilicus ; peristome acute, white-lipped within. 



Diam. 11 mill. 



Minorca and Cabrera, Balearic Is. 



H. POLLENZENSIS, Hidalgo. PL 63, figs. 43, 44. 



Moderately umbilicated, rather thin, pellucid, closely costulate, 

 here and there shorter and bifurcate below, fulvous corneous, with 

 obscure bands below, opaque-whitish at the umbilicus ; whorls 6, 

 flattened above, the last not descending, convex below, obtusely 

 angulated round the umbilicus ; peristome acute, scarcely thickened 

 within. Diam. 12 mill. 



Majorca, Pollenza, Balearic Is. 



