128 HELIX. 



in front, aperture oblique, rounded lunar, peristome recurved, labiate, 

 margin* converging. Diam. 22, alt. 16 mill. 



Abyssinia. 



H. DUROI, Hidalgo. PL 45, figs. 38-40. 



Imperforate or umbilicate, depressed globose, solid, somewhat shin- 

 ing, rugulose malleate, longitudinally striate, white with four rufous 

 bands, spire obtuse, slightly convex, or depressed, whorls 5, scarcely 

 convex, regularly increasing, the last twice as wide as penultimate) 

 smoother below, strongly deflexed anteriorly ; aperture transverse, 

 white, shining ; peristome widely reflexed, labiate, arcuate above, 

 subhorizontal below with a more or less developed wide callus, adnate 

 to body. Diam. 35, alt. 19 mill. 



Morocco. 



Has much the appearance of Macularia, but said by Kobelt to be 

 an Eremina. 



Section III, MACULARIA, Albers, 1850. 



A group of large species, characteristic of Southern Europe and 

 Northern Africa, They are related on one hand to Tachea, through 

 such species as H. splendida, and on the other to the insular groups 

 Hemicycla and Leptaxis. The Italian subgenus Iberus is also con- 

 nected by nearly intermediate forms with the depressed Macularia?. 

 The central teeth lack lateral cusps ; and the jaw, as in Tachea etc., 

 is moderately arched, and bears a few strong, separated ribs. 



Otala, Moq-Tand. 1855 is a synonym. 



H. VERMICULATA, Miiller. PI. 37, figs. 54-57. 



Imperforate, globose-depressed, yellowish or dirty white, with five 

 brown bands, the upper one, or sometimes all broken into irregular 

 maculations ; surface sculptured with numerous minute vermiform 

 white anastomosing wrinkles ; whorls 5, the last descending ante- 

 riorly; aperture very oblique, broadly lunate; peristome white, 

 labiate and widely reflected, thickened on columellar margin. 



Diam. 30-35 mill. 



Southern Europe, Northern Africa. 



A common species, variable in color somewhat. It is Hartmann's 

 H. lactea, H. muraloides, Chier. and H. thalassina, Porro. 

 Var. SAIIARICA, Kobelt. PL 37, fig. 59. 

 A small, thick shelled form. 



Southern Algiers. 



