258 HELIX. 



H. HOMEYERI, Dohrn and Heynemann. PL 63, figs. 39, 40. 



Widely umbilicated, striate, bluish white, banded and macu- 

 lated with chestnut ; whorls 5, flattened above, the last descending 

 in front, peripheral carina crenulated, base flatly convex, angu- 

 lated round the umbilicus ; peristome simple, labiate within. 



Diam. 12 mill/ 



Ins. Malorca, Balearic Archip. 



H. FRATER, Dohrn and Heynemann. PL 63, figs. 54, 55. 



Differs from the preceding in being narrowly umbilicated, base 

 convex, without umbilical angle. 



Balearic Isles. 



H. NYELII, Mittre. PL 63, figs. 45, 46. 



Rather narrowly umbilicated, somewhat solid, closely, lightly 

 costulate, whitish or yellowish corneous, seriately maculated with 

 chestnut above, usually banded below; whorls 5, the last subde- 

 flected in front, periphery subcrenulately carinated, base convex ; 

 peristome labiate within. Diam. 11 '5 mill. 



Minorca. 



H. CAROLI, Dohrn and Heynemann. PL 63, figs. 47-50. 



Very narrowly umbilicated, rugosely costulate above, smoother 

 ibelow, corneous white, banded with chestnut; whorls 5, slightly 

 convex, slowly increasing, the last scarcely descending in front, 

 periphery obsoletely angulated ; peristome simple, white lipped 

 within. Diam. 9 mill. 



Balearic Is. 



H. MAJORICENSIS, Dohrn and Heynemann. PL 63, figs. 56-58. 



Moderately umbilicated, costulate, greyish yellow, maculated 

 and bandad with chestnut; whorls 5, the last descending ante- 

 riorly, periphery carinated, base convex; peristome simple above, 

 .thickened and shortly reflected below. 



Diam. 10 mill. 



Palma and Malorca, Balearic Is. 



H. CARBONS, Hidalgo. PL 63, figs. 51-53. 



Moderately umbilicated, thin, striate, shortly ciliated ; brownish 

 corneous, with a few chestnut maculations, sometimes alternately 

 disposed at the suture; whorls 5, flattened, the last descending 

 anteriorly, periphery crenately carinated, convex below, umbili- 

 cus whitish ; peristome simple, white, sublabiate below. 



Diam. 10 mill. 



Mahon, Ins. Minorca. 



