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"The Tadpole is the larva of the anurous amphibia, sometimes so far extended as to include larvaæ of the urodela, which undergo a much less complete metamorphosis. At first the young have no respiratory organs or limbs. They are all head and tail with simple entire gills which soon disappear, to be followed by others of more complicated structure, situated within the cavity of the body as in fishes. After a certain length of time the hind legs begin to appear, the head becomes more developed, and the body assumes a more compact form. Still later the forelegs are found to exist fully formed beneath the skin and ready ultimately to burst forth. The tadpole at first seems to derive its subsistence from the fluid absorbed within its body and on the surface, but soon begins to seek its food amidst softened or decomposing vegetable matter. From that period the tadpole begins to assume more and more the appearance of a frog. Toes appear on its hind legs, the tail very rapidly disappears by absorption, and finally the fore-legs become fully developed and the metamorphosis of the tadpole is completed."—(Charles Leonard-Stuart, 1911)

Frog Egg

"The Tadpole is the larva of the anurous amphibia, sometimes so far extended as to include larvaæ…

"The Tadpole is the larva of the anurous amphibia, sometimes so far extended as to include larvaæ of the urodela, which undergo a much less complete metamorphosis. At first the young have no respiratory organs or limbs. They are all head and tail with simple entire gills which soon disappear, to be followed by others of more complicated structure, situated within the cavity of the body as in fishes. After a certain length of time the hind legs begin to appear, the head becomes more developed, and the body assumes a more compact form. Still later the forelegs are found to exist fully formed beneath the skin and ready ultimately to burst forth. The tadpole at first seems to derive its subsistence from the fluid absorbed within its body and on the surface, but soon begins to seek its food amidst softened or decomposing vegetable matter. From that period the tadpole begins to assume more and more the appearance of a frog. Toes appear on its hind legs, the tail very rapidly disappears by absorption, and finally the fore-legs become fully developed and the metamorphosis of the tadpole is completed."—(Charles Leonard-Stuart, 1911)

Frog Eggs

"The Tadpole is the larva of the anurous amphibia, sometimes so far extended as to include larvaæ…

"It is one to two feet long, dark slate color, feeds on worms, crawfish, fishes, and aquatic reptiles. It is very voracious, and nothing it can master is spared." — Goodrich, 1859

Alleghany hell-bender

"It is one to two feet long, dark slate color, feeds on worms, crawfish, fishes, and aquatic reptiles.…

"It is three and a half inches long, the skin smooth as a frog's; it lives in ponds and ditches, and is devoured in great quantites by fish of various kinds.' — Goodrich, 1859

Smooth newt

"It is three and a half inches long, the skin smooth as a frog's; it lives in ponds and ditches, and…

"Is five to seven inches long,; blueish-black, with bright yellow spots; habits nocturnal, living under rocks, stones, and decaying trees, found from Maine to Maryland." — Goodrich, 1859

Violet-colored salamander

"Is five to seven inches long,; blueish-black, with bright yellow spots; habits nocturnal, living under…

"The Land Salamanders, unlike the Tritons, are ovo-viparous, though the young at first inhabit the water and undergo metamorphoses till they arrive at the mature state which fits them for living on land, where they haunt cool and moist places, being not unfrequently found about fallen timber or old walls. Their food primarily consists of insects, worms, and small molluscous animals." — Goodrich, 1859

Salamanders

"The Land Salamanders, unlike the Tritons, are ovo-viparous, though the young at first inhabit the water…

"The Tadpole is the larva of the anurous amphibia, sometimes so far extended as to include larvaæ of the urodela, which undergo a much less complete metamorphosis. At first the young have no respiratory organs or limbs. They are all head and tail with simple entire gills which soon disappear, to be followed by others of more complicated structure, situated within the cavity of the body as in fishes. After a certain length of time the hind legs begin to appear, the head becomes more developed, and the body assumes a more compact form. Still later the forelegs are found to exist fully formed beneath the skin and ready ultimately to burst forth. The tadpole at first seems to derive its subsistence from the fluid absorbed within its body and on the surface, but soon begins to seek its food amidst softened or decomposing vegetable matter. From that period the tadpole begins to assume more and more the appearance of a frog. Toes appear on its hind legs, the tail very rapidly disappears by absorption, and finally the fore-legs become fully developed and the metamorphosis of the tadpole is completed."—(Charles Leonard-Stuart, 1911)

Tadpole

"The Tadpole is the larva of the anurous amphibia, sometimes so far extended as to include larvaæ…

"The Tadpole is the larva of the anurous amphibia, sometimes so far extended as to include larvaæ of the urodela, which undergo a much less complete metamorphosis. At first the young have no respiratory organs or limbs. They are all head and tail with simple entire gills which soon disappear, to be followed by others of more complicated structure, situated within the cavity of the body as in fishes. After a certain length of time the hind legs begin to appear, the head becomes more developed, and the body assumes a more compact form. Still later the forelegs are found to exist fully formed beneath the skin and ready ultimately to burst forth. The tadpole at first seems to derive its subsistence from the fluid absorbed within its body and on the surface, but soon begins to seek its food amidst softened or decomposing vegetable matter. From that period the tadpole begins to assume more and more the appearance of a frog. Toes appear on its hind legs, the tail very rapidly disappears by absorption, and finally the fore-legs become fully developed and the metamorphosis of the tadpole is completed."—(Charles Leonard-Stuart, 1911)

Tadpole

"The Tadpole is the larva of the anurous amphibia, sometimes so far extended as to include larvaæ…

The common warty-newt of Europe... is six inches long, and is common in large ponds and ditches, where it feeds voraciously on aquatic insects and other small animals, such as tadpoles, newts, etc.". It swims chiefly by its tail" — Goodrich, 1859

Common warty-newt

The common warty-newt of Europe... is six inches long, and is common in large ponds and ditches, where…