HELIX. 259 



H. LEDERERI, Pfr. PL 63, figs. 61-63. 



Narrowly umbilicated, closely obliquely costulate, opaque, cal- 

 careous white; whorls 5, rather narrow, flat, exserted, all cren- 

 ulately carinated, the last not descending, base convex ; peristome 

 simple, scarcely labiate within. Diam. 10'5 mill. 



Cyprus, Syria, Egypt, Tripoli. 



H. Syrensis, Bourg. is a synonym. 



Var. REGULARIS, Koth. 



Spire depressed, not gradate, regular, less convex below. 



Palestine. 



H. CISTERNASI, Hidalgo. PL 63, figs. 59, 60. 



Narrowly umbilicated, somewhat solid, subopaque, very closely 

 costulate-striate above, smoother below; whorls 6i, slowly in- 

 creasing, the last deflected in front, periphery obtusely angulated, 

 base convex ; peristome white, slightly expanded, strongly-lipped 

 within. Diam. 15 mill. 



Ins. Sta. Eulalia (/wee), and Bosca. 



H. CAVANN.E, Paulucci. PL 63, figs. 64, 65. 



Narrowly umbilicated, rather solid, chalky, striate, whitish 

 grey, with greyish fulvous punctations, apex corneous; whorls 5-6, 

 slightly convex, the last with a thread-like carina, descending at 

 the aperture, and with rounded base ; aperture white-lipped within. 



Diam. 7 mill. 



Mts. Central Italy. 



Var. SCISSA, Paulucci. 



Flatter, umbilicus wider, carina obsolete. 



Unfigured species of Jacosta. 



H. SYROSINA, Bourg. Isl. Syra. 



H. CALLOSA, Anton. Hob. unknown. 



H. CONOPSIS, Morelet. Morocco. 



H. ADELAIDE, Pfeifier. Australia. 



H. AMPHICONUS, H. EUPHJEODES, H. SPHAKIOTA, H. SlDERENSIS, 



all of Maltzan. Crete. 



H. SIPHNICA, Libya. 



H. MICROMPHALUS, H. SEMANNi, Letourn. Algiers. 



H. HARIOTIANA, Bourg. Balearic Is. 



H. GRAJA, Westeii. Greece. 



H. NUMMULIFORMIS, Ketowski. Crimea. 



