HELIX. 149 



and tumid at base; aperture very oblique, transversely round-ovate; 

 peristome expanded, subreflexed, thickened within, the margins 

 considerably converging, joined by a callus. Diam. 24 mill. 



Morocco. 



H. RAYMONDI Moquin. PL 44, figs. 10, 11. 



Imperforate, globose depressed, subsolid, yellowish white, with 

 five subequal faint bands; spire slightly elevated, apex obtuse; 

 whorls 4J, the last strongly deflected anteriorly; aperture very 

 oblique, rotund-lunar ; peristome labiate, margins converging and 

 joined by callus, expanded, and adnate at base. Diam. 20 mill. 



Province of Oran, Algiers. 



Morelet's H. desfontanea is a synonym. 



H. VERMICULOSA Morelet. PI. 44, figs. 15-17. 



Subperforate, turbinate, globose, solid, densely sculptured with 

 undulating, anastomosing wrinkles, lustreless, dirty yellowish grey, 

 more or less distinctly fasciate with wide irregular brown or yellow- 

 ish bands, five in number ; spire somewhat turreted, apex dark col- 

 ored ; whorls over 4, convex, the last inflated, descending, aperture 

 circular, porcelain white within, very oblique ; peristome narrowly 

 expanded, margins approaching ; columellar margin reflexed. 



Diam. 25, alt. 22 mill. 



Hir, Province of Sus, Morocco. 



Comparable to Pomatia mazzulii in aspect, but probably more 

 nearly related to the present group. 



Unfigured species of Macularia. 



H. omphalophora Dut. Corsica. 



H. aecouria Let. et. Bourg. Tunis. 



H. nitefacta, toukriana, maltarica, seignetti of Bourguignat. Algiers. 

 H. catharolena, simocheila, cantcv, chorista, tiranoi, lucentumensis, 



pelopica, and engastora, Bourg. Spain. 



H. sevillensis Servain, Seville. 



Section IV. ALLOGNATHUS Pilsbry, 1888. 

 The only member of the group Pentatcenia, as far as known, in 

 which the jaw is wholly devoid of the strong ribs characteristic of 

 that division. The type and only species, H. grateloupi has been 

 classed by some authors in Leptaxis, by others in Macularia. From 

 both groups it differs in characters of shell and animal. 



