HELICINA. 279 



9. festiva, Sby., (f. 14.) — Distanter plicata, rubro inter- 

 lineata. — Distantly plaited with intermediate red lines. 



10. silacea, Morel, (f. 15, 16.) — Trochiformis, crassilirata. 

 — Trochiforiu, with thick plaits. 



11. oc h racea, Poey, (f. 17.) — Quam sp. 10 magis rotunda. 

 — Bounder than sp. 10, I. Testa tenuiora. — Thinner. 



12. major, Gray, (f. 18, 19, 478.) — Ad basin leviteremargiuata. 

 —Notch slight. 



13. Browmi, Gray, (f. 20, 21, 22.) — Ad basin spiraliter in- 

 cisa. — Notch spirally incised. 



14. palliata, C. B. Ad., (f. 23.) — Subdepressa, labro sub- 

 expanso. — Subdepressed, outer lip somewhat expanded. 



15. ramphostyla, Pfr., (f. 24, 25.) — Labro supra deflexo, 

 infra flexuoso. — Outer lip bent down above, flexuous beneath. 



16. microstoma, C. B. Ad., (f. 26, 27.) — Subdepressa, labro 

 supra et infra flexuoso. — Subdepressed, outer lip flexuous above 

 and beneath. 



17. DissiuuLANS Poey, (f. 2S, 29.) — Depressa, labro de- 

 flexo, fissura distincta. — Depressed, outer lip bent down, fissure 

 distinct. 



18. macilkxta, C. B. Ail., (f. 30, 31.) — Fissura spiraliter 

 elongata. — Fissure long. 



19. velutina, Poey, (f. 32.) — Labro vix deflexo. — Outer lip 

 scarcely depressed. 



20. hispida, Pfr., (f. 33,34.) — Epidermide ciliata. — Epidermis 

 hairy. 



21. rubella, Orb., (f. 35, 36.) — Labro tenui, vix eniargi- 

 nato. — Outer lip thin, scarcely notched. 



22. minima, Orb., (f. 37, 3S.) — Labro tenui, infnt siuuato. — 

 Outer lip thin, sinuous beneath. 



23. exserta, Gundl., (f. 39.) — Columella ante sinum producta. 

 — Columella produced in front of notch. 



24. solitaria, C. B. Ad.,{L 40,41.) — Labro reflexo, fissura 

 parva. — Outer lip reflected, small notch. 



25. Oresigena, Orb., (f. 42.) — Quam sp. 24 magis globosa. 

 — More globose than sp. 24. 



26. nitida, Pfr., (f. 43.) — Labro acuto. — Outer lip sharp. 



