A precisely similar series of phenomena to those in Amphibia has been shewn by Salensky to take place in the Sturgeon.
Intermediate links are lacking between Amphibia and Reptiles.
The Amphibia include the curious creatures called Cæciliæ (blind animals), or Gymnophiona.
There was one amongst the number said to belong to the Amphibia.
So too did the first-known step of our own ancestry upon land, the Amphibia.
Yet they were not reckoned as belonging to the natural class of 'Amphibia.'
Four regions of the vertebral column can generally be recognised in Amphibia, viz.
The class Amphibia is divided by Dr. Gray into five orders—viz.
Its mode of development in front is thus precisely similar to that of the Mllerian duct in Elasmobranchii and Amphibia.
A new order of fishlike Amphibia from the Pennsylvanian of Kansas.