. The Open court. urified to support a low formof air-breathing animal. The amphibians of the Carboniferous and Permian periods wereof the order Stegocephalia, which shows a gradual transition fromthe dominant fish-life of the late Paleozoic era. and the higher rep- rHE OF CLIMATK. 649 tilian orders soon to appear (Fig-. III). The young stegocephalianshad true gills, and the full grown were covered with an armor ofoverlapping, bony scales. They were carnivorous or flesh-eatinganimals, as is shown by their pointed, cone-shaped teeth, and werethe first four-footed vertebrates and were
. The Open court. urified to support a low formof air-breathing animal. The amphibians of the Carboniferous and Permian periods wereof the order Stegocephalia, which shows a gradual transition fromthe dominant fish-life of the late Paleozoic era. and the higher rep- rHE OF CLIMATK. 649 tilian orders soon to appear (Fig-. III). The young stegocephalianshad true gills, and the full grown were covered with an armor ofoverlapping, bony scales. They were carnivorous or flesh-eatinganimals, as is shown by their pointed, cone-shaped teeth, and werethe first four-footed vertebrates and were equally at home on theland or in the water. Their very form and nature demonstrate thatconditions alcove the surface of the sea were not quite favorable fora permanent abode on terra firma, and that the air was not quiteadapted to the use of air-breathing animals, living exclusively abovethe surface of the water. A gradual improvement in conditions onthe land is shown by the fact that a sub-order of Stegocephalia. ///M^ 0^f\
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Keywords: ., bookcentury1800, bookdecade188, booksubjectreligion, bookyear1887
