IIKLIX. -j:;i 



within, the terminations connected by a nearly free, .-ometimes ad- 

 nate, parietal callus. Diani. 2!)-82 alt. 14-10 mill. 



Mesopotamia. 



Bears much the same relation to //. (/utfnla that M</<-n/<iri<i ODII- 

 peslna does to alonensis. 



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 b:mds in- 

 terrupted with white zigzag markings; whorls 4-], the upper \\ell 

 rounded, sutures subim pressed, 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. 88, alt. 20 mill. (.'\fousxo)i). 



Between, JV/Vo.vm <ui<l ( 'rrino, Ins. 



H. GHILANICA Mousson, 1876. PL 67, figs. 2, 3. 



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

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

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

 pressed; whorls 4, rapidly increasing, the first slightly convex, tin- 

 following 1-1 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, tran.~vei-.-ly 

 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 Lett impin-in- upon 

 the umbilicus, but not closing it. Diam. 27, alt. 1 2 mill. < Motil 

 Province of Ghilan, Persia, on the Sonthrrn shore of the Cblpicm. 



Allied to H. dsclmlfensis. The depressed form, wide umbilicus, 

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

 <listinguish this form. 



H. CERATOMMA Pfeifter, 1855. PI. 66, figs. 9(Mi-.>. 



Imperforate, depressed, rather solid, finely obliquely -trial,- and 

 under a lens, decussated with spiral lines, W itl, :. sUky OBter, blutal 

 white, obscurely fasciate witli brown ; spire .li-jl.tly elevated, :.,.: 

 corneous, obtuse; whorls 4, sensibly increasing, rather convex, ,1 

 last depressed-rotund, deeply deflexed anteriorly, Bubptone 

 aperture nearly horizontal,' rounded lunar; peristome i 



