water-newt

“Yet if we open a gravid female, we find tadpoles inside her with exquisitely feathered gills; and when placed in water they swim about like the tadpoles of the water-newt.”

Darwin and the vermiform appendix - The Panda's Thumb

“An animal may possess various parts in a perfect state, and yet they may in one sense be rudimentary, for they are useless: thus the tadpole of the common salamander or water-newt, as Mr. G.”

Darwin and the vermiform appendix - The Panda's Thumb

“At present only one animal of the latter kind is known, the so-called cordylus or water-newt; this creature is furnished not with lungs but with gills, but for all that it is a quadruped and fitted for walking on dry land.”

The History of Animals

“An animal may possess various parts in a perfect state, and yet they may in one sense be rudimentary, for they are useless: thus the tadpole of the common salamander or water-newt, as Mr.G. H. Lewes remarks, “has gills, and passes its existence in the water; but the Salamandra atra, which lives high up among the mountains, brings forth its young full-formed.”

XIV. Mutual Affinities of Organic Beings: Morphology-Embryology-Rudimentary Organs. Rudimentary, Atrophied, and Aborted Organs

“The water-newt, which repels the lips of the traveller who stoops to drink, is a certain urchin, Abas, who spoiled by his mockery the pleasure of the thirsting goddess, as she drank once of a wayside spring in her wanderings.”

Greek Studies: a Series of Essays

“In its earliest form the young batrachian, living in the water, breathes as a fish does by _gills_, either free and projecting as in the water-newt, or partially covered by integument as in the tadpole.”

Sketches of the Natural History of Ceylon

“It is to be remembered that the _salamandra aquatica_ of Ray (the water-newt or eft) will frequently bite at the angler's bait, and is often caught on his hook.”

The Natural History of Selborne, Vol. 1