| 21. | More significantly, he adopted David's even-keeled disposition.
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| 22. | The leaves are narrow lanceolate, keeled and often dark-spotted.
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| 23. | Usually, 21 rows of keeled dorsal scales occur midbody.
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| 24. | Keeled scales scatter light differently from smooth, flat scales.
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| 25. | The dorsal scales are in 19 rows, weakly keeled.
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| 26. | The weakly keeled dorsal scales are arranged in 21 rows.
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| 27. | Dorsal scales tubercularly keeled, in 40 to 49 rows.
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| 28. | The head is thickly covered with keeled, imbricate scales.
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| 29. | The dorsal scales are overlapping, strongly keeled and have apical pits.
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| 30. | The body is covered with strongly ventrals are smooth or weakly keeled.
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