| 31. | The cross-overs are marked by riffles, or shallow beds, while at the apices are pools.
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| 32. | Their structures are covered with tubular tenent hairs, the apices of which are moistened by a glandular secretion.
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| 33. | The pectoral fin disc of the broad skate is wider than it is long, with sharply rounded apices.
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| 34. | Their shape can be ovate, nearly round, or deltate with entire margins and acute to acuminate apices.
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| 35. | Many sea cucumbers have papillae, conical fleshy projections of the body wall with sensory tube feet at their apices.
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| 36. | Hind wing : generally uniform, unmarked, some specimens bear minute black dots at the apices of the veins.
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| 37. | The small dorsal fins have rounded apices and are placed far back, on the last third of the body.
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| 38. | However the two genera can be told apart by the calyx of three broad sepals with irregular to fringed apices.
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| 39. | The forewings are shining ochreous white, but more whitish near the wing base and more ochreous near the apices.
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| 40. | The mature leaves are different from younger leaves, with those on larger branchlets having sharp, erect, free apices.
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