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Salvin, O., inheritance of mutilated feathers; on the Humming-birds; on the numerical proportion of the sexes in Humming-birds; on Chamaepetes and Penelope; on Selasphorus platycercus; Pipra deliciosa; on Chasmorhynchus. Samoa Islands, beardlessness of the natives of. Sandhoppers, claspers of male. Sand-skipper.
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