The spermatozoa of some north american b
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Harold F. Hirth
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Article
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1960
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John Wiley and Sons
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English
β 577 KB
Various structures associated with the genital system of mammals have furnished useful taxonomic criteria. In addition to the gross structure of the reproductive tract, the morphology of the placental membranes, ovary, 0s penis, os clitoridus, male secondary sex glands, and phallus