| 21. | The narrow and smooth inner lip shows at its posterior end a shallow and broad anal sinus.
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| 22. | A substantial callus sheet spreads on the inner lip, and a tubercle is formed near the right insertion.
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| 23. | The inner lip is slightly callous.
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| 24. | The inner lip, which partially covers it, is indistinctly striated, and forms a wrinkle at the upper part.
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| 25. | The inner lip has a thinnish glaze on the body and columella, whose union is very slightly concave.
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| 26. | The inner lip is slightly curved, decidedly oblique, revolute, and appressed to the attenuated base for almost its entire length.
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| 27. | The inner lip is smooth, with a large callus that often spreads over the spire and over the body whorl.
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| 28. | And upon some specimens are observed several crenulations towards the base of the inner lip which partially covers the umbilicus.
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| 29. | It most nearly resembles a perforate, elongated, sulcate " Odostomia ", without ant tooth or fold on the inner lip.
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| 30. | The interior is usually colored strong orange, red or pink, and the inner lip border is black or chocolate brown.
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