| 41. | The surface is uneven, with tubercles and plumes of silky deposits.
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| 42. | The theory of tubercles, from Jenner and earlier hydatids become solid.
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| 43. | The elytrtra are oval, convex and covered throughout with small tubercles.
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| 44. | It features dark lime tubercles only on the dehiscence lines.
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| 45. | Between these tubercles is a patch of velvety dull black.
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| 46. | Tubercles may disappear on outer whorls leaving fine sharp ribs.
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| 47. | They have wart-like projections ( tubercles ) on the surface.
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| 48. | It has a thin skin with a few large tubercles.
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| 49. | The leaf sheaths are loose with hairs growing from tubercles.
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| 50. | Calcium carbonate constitutes the shells of spines and tubercles.
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