HELIX. 5 



Section VII. DISCULA, Lowe. 1854. 



Pyramidal, umbilicated, rather solid, roughly granularly sculp- 

 tured, somewhat babylonic, periphery obtusely keeled. H. CHEIR- 



ANTHICOLA, Lowe. 



Olelus, Hartmann, Turritella, Woll., and Crenea, Lowe (in part), 

 are synonyms. 



Section VIII. CALLINA, Lowe. 1854. 



Covered perforate, striate, and granular, periphery sharply keeled, 

 keel vanishing behind the aperture. H. ROTULA, Lowe. 



Section IX. ACUSTA, Albers. 1860. 



Shell globose, thin, umbilicated, last whorl large, swollen, rounded, 



peristome simple, sh^rp. H. SIEBOLDIANA, Pfr. 



Japan. 



The group is Chinese and Japanese in distribution. It is Ar- 

 maitdia, Ancey, in part; other species of that group being H. Da- 

 vid!, H. Moupiniana and H. plicatilis, which I have described 

 under Macrochlamys, Vol. II, 103. 



Subsection V. CANDIDULA, Kobelt. 1871. 



H. PROTEA, Ziegler. PL 1, figs. 1, 2. 



Narrowly umbilicated, whitish, often niaculately banded ; whorls 

 5-6, convex, the last large ; peristome acute, slightly labiate within. 



Diam. 11 mill. 



Ins. Corfu. 



It is H. obvia, Jan, H. campestris, Ziegler and H. pustulata, 

 Muhlf. 



H. APICINA, Lam. PL 1, figs. 3-5. 



Rather narrowly umbilicated, somewhat flattened above, more 

 convex beneath, striated, whitish, the apex variegated with corneous, 

 suture deep ; whorls 4-4;}, convex, the last dilated in front ; peris- 

 tome subsiniple, acute. Diam. 7 mill. 



Southern Europe, Azores, Tangiers. 



H. cenisia, Charp., H. lauta, Reeve, and H. hispidula, Risso, are 

 synonyms. 



H. Cupani, Calcara, is probably a juvenile. 



