HELICINA. 281 



41. alata, Menke, (f. 65, 66.) — Subglobosa, ciliata. — Sub- 

 globose, ciliated. 



42. pannucea, Morelet, (f. 68, 69.) — Quam sp. 41 magis 

 globosa. — Globose. 



Sect. III. Labro supra et infra tumido, sinuato. 



In this section a swelling and bending forward of the outer lip 

 above and below, which in H. lineata (f. 35) amounts almost to a 

 tooth in the lower part, leads by gradation into the group called 



Lu CI DELL A. 



43. steiatula, Sowb., (f. 70.) — Subdepressa, labro vis tumido. 

 Subdepressed, outer lip very little swelled. 



44. Adamsia^a, Pfr., (f. 71, 72.) — Labro tumidiusculo. — 

 Outer lip a little more tumid. 



45. Leana, C. B. Ad., (f. 73, 74.) — Depressiuscula. — Kather 

 depressed. 



46. DEriiESSA, Gray, (f. 75.) — Labro sinuatim compressa. — 

 Outer lip sinuously compressed. 



47. Behaniana, Pfr., (f. 76.) — Spira magis elevata. — Spire 

 more elevated. 



48. coronula, Shutll., (f. 77, 78.) — Spira subcoronata. — 

 Spire subcoronated, i.e. with fine wrinkles on the top of the 

 whorls. 



49. plicatula, Pfr., (f. 79, 80.) — Oblique crassiplicata. — 

 Obliquely thick-plaited. 



50. vincsa, Shu., (f. 81, 82.) — Oblique tenuiplicata. — Ob- 

 liquely thin-plaited. 



51. rugosa, Pfr., (f. 83, 84.) — Quam sp. 49 magis depressa. 

 — More depressed than sp. 49. 



52. unidentata, Pfr., (f. 87.) — Spiraliter lirata, labro infra, 

 valide tumido. — Spirally ridged, outer lip with a strong swelling 

 below. 



53. lirata, Pfr., (f. 88, 89.) — Quam sp. 52 magis angu- 

 lata. — More angular than sp. 52. 



54. semistriata, Sowb., (f. 86.) — Supra lirata, infra, laevis. — 

 Kidged above, smooth beneath. 



55. lineata, C.B.Jd., (f. 85.). — Lirata, labro infra, uniden- 

 tato. — Ridged, outer lip with a tooth-like projection. 



