...The Stylops, being hatchedwhile still in the body of the parent, is, therefore viviparous... 
Alpheus Spring Packard 「Our Common Insects」
...Lyonet states that duringsummer this mite is viviparous...
Alpheus Spring Packard 「Our Common Insects」
...Thisanimal was a female, and was viviparous...
Various 「Natural History in Anecdote」
...These are clearly connected withthe fact that the ancestors of the viviparous mammals were oviparous amnioteslike the present monotremes, and only gradually became viviparous...
Ernst Haeckel 「The Evolution of Man」
...This feature was transmitted to all theamniotes, whether they retained the large food-yelk (reptiles, birds, andmonotremes), or lost it by atrophy (the viviparous mammals)...
Ernst Haeckel 「The Evolution of Man」
...It was proved byHaacke and Caldwell in 1884 that the Monotremes lay large eggs like thereptiles, while all the other Mammals are viviparous...
Ernst Haeckel 「The Evolution of Man」
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