Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 2, 2025
In these the floating bladder has turned into lungs, and the air-passage into a trachea. The lungs of the Amphibia have been transmitted to the three higher classes of Vertebrates. In the lowest Amphibia the lungs on either side are still very simple transparent sacs with thin walls, as in the common water-salamander, the Triton. It still entirely resembles the floating bladder of the fishes.
They think they can turn him into something rich and strange—turn him in a single generation—even as certain ingenious experimentalists turned what Nature meant for a land-salamander into a water-salamander, with new rudder-tail and gills instead of lungs and feet suppressed, by feeding him with water animals in oxygenated water and cajoling his functions.
Word Of The Day
Others Looking