| 11. | Their dorsum is convex, lightly colored without cross striations.
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| 12. | The shell is yellowish to brownish, smooth or with fine striation.
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| 13. | Some 300-290 million years ago, during striations.
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| 14. | The striation marks on the shreds have been obliterated by constant use.
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| 15. | The forewings are whitish brown-grey with fine dark brown striation.
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| 16. | The girdle spines often bear length-parallel striations.
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| 17. | Glacial striations can be found on the New York just to the north.
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| 18. | Striations cover the sides and bottoms of the grooves.
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| 19. | Visible flaws, such as bubbles, striations and scratches affect the value.
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| 20. | The land is largely sedimentary rock with striations visible on cliffs and roads.
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