The parachutelike membranes of Africa's scaly-tailed flying squirrels differ from those of the flying squirrels in the family Sciuridae because they are attached to a cartilage rod at the elbow instead of the wrist.
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Abecause they are attached to a cartilage rod at the elbow instead of
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Bbecause of being attached to a cartilage rod at the elbow rather than at
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Cin their attachment to a cartilage rod at the elbow instead of being attached at
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Din that they are attached to a cartilage rod at the elbow rather than at
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Ein their being attached to a cartilage rod at the elbow instead of
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