HELIX §. 98. 299 



cornea fulgida, superne saturate vinosa; subtus pallida obducta; 

 anfr, 6, lente accresccntes, ultimus antice non depressus, ad 

 peripheriani subilo descendens, superne sulco angusto prolundo 

 supra margineni suturae fere ad apicem continuo munila; aper- 

 tura angulatim lunata; perist. simplex, tenue, supra medium 

 angulatum et sulci terminatione incisum, marginibus satis dis- 

 tantibus, columellari leviter dilatato et reflexo. — Diam. max. 1,10, 

 min. 0,88, alt. 0,70 poll.» (C angl.) 



Helix comphwiatus Cox in Proc. Zool. Soc. 1871. p. G46. 

 t. 52. f. 10. (Nec H. comphivialis Blanf. 

 1865.) 



Nanina comphwiata (Hemiplecta) Pdtel Catal, p. 8 4. 

 Ilabitat in insulis Salomonis. 



2039. chionodiscus Pfr. IV. 190. V. 262. — LeucocJiroa chionodiscus 



Mart., Kob. Caf. p. 7. — Zoniles chionodisciis Bourg. — Cher- 

 sones. Taur. 



2040. scabriusculaDesh. (Coll.828.)I.2l4. 111.166. IV.190. V.262.496. 



— Iberus Kob. Cat. p. 18. — Pdtel Cat. p. 94. — Helix erycina 

 Jan. selinuntina Phil. — Sicilia. 



2041. H. tcctum Sincnse Martens. •{• 



«Tesla perlbrata, carinata , depresse-trochiformis, albida, 

 superne costis obliquis, retrorsum concaviusculis, aperturae 

 paralleliS; interdum furcatis sculpta (interstitia costis paulo la- 

 liora); inferne costulis magis confertis saepius furcatis vel anosto- 

 mosanlibus, usqueinperforationemexcurrentibus; anfr. Sy^ — 5^4, 

 inde a secundo carina prominente, irregulariter undosa imbri- 

 cati, ultimus ad aperturam paulo descendens; apertura diago- 

 nalis, rhombeo-securiformis; peristoma incrassatum, margo co- 

 lumellaris et basalis arcuatus, ialiuscule reflexus, perforationem 

 semitegens, margo superus ad insertionem strictus, versus ca- 

 rinam expansiusculus, angulo acuto cum basali concurrens. — 

 Diam. maj. 1672—21, min. 1.5 — 17, alt. 10 — 11 mill.; apert. 

 diam. 9— 10 14, alt. obliqua ^Ya— 9 mill.» (v. M.) 



Helix tectum Si?iense Mart. in Malak, Bl. XXI. 1873. p. 67. 

 llabitat in provincia Shantung Chinae (F. v. Richthofen). 



Obs. Forma H. scabriusculae Desh. et delphinulae similis; haec um- 

 bilico lalo primo aspectu diversa, altera superne planior, subtus conve.\ior 

 est, carina minus prominens, peristoma angustius. 



2042. cariosula Mich. (Coll. 829.) I. 215. III. 166. IV. 190. V. 262. 

 — Lciicochrna cariosula Alb., Kob. Cat. p. 6. — Patcl Cat. p. 87. — 

 Alccria. 



