HKI.IX. 231 



within, the terminations connected by a nearly free, sometimes ad- 

 nate, parietal callus. Diain. 29-32 alt. 14-16 mill. 



Mesopotamia. 



Bears much the same relation to H. guttata that Mncii/ui-iti. cam- 

 docs to 



H. BELLARDII Mousson. PI. 66, figs. 87-89. 



Covered umbilicate, globosely depressed, rather solid, and smooth, 

 scarcely striate, brownish gray or whitish, with five brown bands in- 

 terrupted with white zigzag markings; whorls 4-', the upper well 

 rounded, sutures subimpressed, the last deeply deflexed anteriorly, 

 subterete ; aperture oblique, rotund ; peristome broadly expanded, 

 flattened, white lipped, its margins converging, joined by a thick 

 callus, columellar margin half covering the umbilicus. 



Diam. 33, alt. 20 mill. (Mowxnn I. 



Between Xtroxiu mid Cerliio, Ins. Cyprus. 



H. GIIILAXICA Mousson, 1876. PI. 67, figs. 2, 3. 



Openly umbilicate, very depressed, rather thin, striatulate, nearly 

 smooth, whitish, with four series of pale brown maculations ; spire 

 scarcely elevated, apex plane, pale corneous; suture scarcely im- 

 pressed ; whorls 4, rapidly increasing, the first sljghtly convex, the 

 following I? plane, carinate and marginate at the sutures, the last 

 wider, more descending, rounded, not angulate, at the periphery, 

 the base flattened-convex ; aperture very oblique, large, transversely 

 oval ; peristome white, broadly expanded, acute without, slightly 

 labiate within, the margins briefly separated, joined by a thin callous 

 lamina ; basal margin broadly reflexed, more or less impinging upon 

 tin 1 umbilicus, but not closing it. Diam. 27, alt. 12 mill. < Mousson). 

 Province of (ihilnn. Persia, on the Southern shore of the ( '<ixj>!<ni. 



Allied to JL dschulfensis. The depressed form, wide umbilicus, 

 and sharp keel shown by the second and half of the third whorl, will 

 distinguish this form. 



H. CERATOMMA Pfeiffer, 1 *">">. PI. 66, figs. 90-92. 



Imperforate, depressed, rather solid, finely obliquely striate and 

 under a lens, decussated with spiral lines, with a silky luster, bluish- 

 white, obscurely fasciate with brown ; spire slightly elevated, apex 

 corneous, obtuse ; whorls 4, sensibly increasing, rather convex, the 

 last depressed-rotund, deeply deflexed anteriorly, subplane below ; 

 aperture nearly horizontal, rounded lunar ; peristome simple, the 



