Century Dictionary and Cyclopedia
- In popular language, animals living both on land and in the water; those which voluntarily and habitually enter that element, though not able to breathe under water, such as frogs, turtles, crocodiles, seals, walruses, otters, beavers, hippopotami, etc.
- [capitalized] In zoöl., a name variously used. In the Linnean system (1766), the third class of Animalia, including all Reptilia, Batrachia, and various fishes and fish-like vertebrates. It was divided into three orders: reptiles furnished with feet and breathing by the mouth (Testudo, Draco, Lacerta, Rana); footless serpents, also breathing by the mouth (Crotalus, Boa, Coluber, Anguis, Amphisbæna, Cæcilia); finned swimmers (Nantes pinnati), breathing by lateral branchiæ or gills, comprising 14 genera of fishes and fish-like vertebrates, as the Marsipobranchia and Squali.
- n. Plural form of amphibian.
GNU Webster's 1913
- n. (Zoöl.) One of the classes of vertebrates.
- n. the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians.
“Frogs and salamanders constitute another lower class, called the amphibia, whose members are gilled during the earlier stages of development.”
“Byord maintained the usual small-boy zoo of bugs and amphibia.”
“Endemic amphibia and reptile species and a large number of threatened butterfly species are also associated with certain parts of the ecoregion.”
“Endemic amphibia species are also distributed all along the Apennine Mountains and include Salamandrina terdigitata, Triturus italicus, Rana italica, and Salamandra gigliolii.”
“Of the reptiles and amphibia, python Python molurus is vulnerable and a number of endemic species are likely to be threatened.”
“So we start, in biology, with single celled, then microscopic organisms, then fish, amphibia, with tails, mammals with tails, until we reach the anthropoid stage.”
“In the Triton, as with most amphibia, the lens of the eye arises as a sequel to the optic cup and its size depends strictly on it.”
“Not that adequate hands prove effective intelli - gence; on Earth, not only simians but a number of reptiles and amphibia boast as much, even if man has the best, and man's apish ancestors were as well-equipped in this respect as we are today.”
“The _amphibia_ (_i. e._ frogs, toads, and efts) were long considered (and are so still by some) to be reptiles, showing an affinity to fishes.”
“A little later three chambers are developed, the auricle, ventricle, and aortic bulb; at this stage there is a resemblance to the heart of fish and amphibia.”
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This quickly got bigger and weirder than originally intended, so now it's housing terms that relate to the study of dinosaurs and other prehistoric creatures. See also Dinosaurs, Pterosaurs, Ichthy...
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