Abstract
METAMORPHOSIS, or the transition of the animal through an intermediate stage between the ovum and the adult, has hitherto been considered by modern naturalists a special characteristic of the Batrachians amongst the Vertebrates, and as one of the main features which distinguish them from the true Reptiles, with which they were formerly united. It is, therefore, surprising to learn, as we do from a recent communication of Dr. Peters to the Royal Academy of Sciences of Berlin, that there are cases in which no such metamorphosis takes place, and the young frog is developed directly from the egg without showing any signs of what is usually called the “tadpole” stage.
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The Development of Batrachians without Metamorphosis . Nature 15, 491–492 (1877). https://doi.org/10.1038/015491a0
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DOI: https://doi.org/10.1038/015491a0