"The Proteus anguinus attains a length of about 1 foot. The body is smooth, naked, and eel-like, the legs four in number, small and weak, the forefeet three-toed, the hinder four-toed, and in addition to permanent external gills, it possesses lungs in the form of slender tubes. From its inhabiting places devoid light the power f vision is unnecessary and in point of fact its eyes are rudimentary and covered by the skin." -Marshall

Proteus Anguinus

"The Proteus anguinus attains a length of about 1 foot. The body is smooth, naked, and eel-like, the…