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On the Incubation of Snakes' Eggs2

    Naturevolume 43pages6870 (1890) | Download Citation

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    Abstract

    MOST Reptilia are oviparous, but certain of the Lacertilians, and many Ophidians, especially vipers and sea-snakes, are ovo-viviparous—that is to say, the eggs are hatched within the mother, or, as sometimes occurs, during the process of parturition. This is the case with the English viper.

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    https://doi.org/10.1038/043068a0

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