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Updated: June 28, 2025
It has many of the habits of that animal, living on worms and insects; indeed, it is difficult to say whether it should be classed with eels or batrachians. It is, however, a true amphibian, respiring either in the water by means of branchiae, or in the air by means of lungs. It approaches, in the structure of its head, to the salamanders, though much less so in its general form and proportions.
The most marvelous thing about man's evolution is the inborn upward impulse in some one low organism that rested not till it reached its goal in him. The mollusk remains, but some impulse went out from the mollusk that begat the fish. The fish remains, but some impulse went out from the fish that begat the amphibian.
The trio seemed to have finished their discussion, whatever its nature might have been, for they sauntered down to the edge of the water where the man in the dungarees proceeded to embark by means of a small boat that he could leave secured to the mooring rope of the amphibian when he took off. "Making off to pick up another cargo, I reckon," Jack ventured.
When we compare the mature brain of a fish, an amphibian, a reptile, a bird, and a mammal, it seems incredible that we can trace the various parts of these organs, that differ so much internally and externally, to common types. Yet all these different Craniote brains have started with the same rudimentary structure.
"Hello, Jim!" said the sick man, in little more than a whisper. "Hello, Connie!" was the other's answer. He picked up a palmetto frond and fought away the flies. The uncleanness of the place turned his stomach. "What's up, Connie?" he asked, sitting calmly down beside the narrow bed. The sick man moved a hand, weakly, as though it were the yellow flapper of some wounded amphibian.
The highest forms yet found, show an advance as compared with those from earlier formations, and exhibit amphibian characteristics intermediate between the two great classes of fishes and reptiles.
Gadow has shown that the lake in which it lives is so rich in food that it has little inducement to leave it for the land. Transferred to a different environment, it may pass to the land, and lose its gills. These adaptations help us to understand the rich variety of Amphibian forms that appeared in the changing conditions of the Carboniferous world.
DeLancey, on a night visit, met him one thick, sodden night at the corner of Thirty-third Street and the Avenue, coming from the club. The good doctor bumbled out of his brougham, seized him by the arm and drew him wet and dripping into its protected interior. "You fossiliferous-headed old chump," he howled, exasperatedly. "You pin- headed old amphibian.
Jedburgh justice o£ that sort rather savours of the method pursued by the famous countryman who was found cutting a harmless amphibian into a hundred pieces with his murderous spade, and saying spitefully as he did so, at every particularly savage cut: 'I'll larn ye to be a twoad, I will; I'll larn ye to be a twoad!
The amphibian remains, but some impulse went out from the amphibian that begat the reptile. The reptile remains, but some impulse went out from the reptile that begat the mammal; and so on up to man. Man must have had a specific line of descent. One golden thread must connect him with the lowest forms of life.
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