. The Bible and science. 192 METAMORPHOSES OF AMPHIBIA. is like that which we find permanently in the ordernext above the amphibia, viz., the Fig. 97.—Tadpoles in different stages of development, from those just hatched(1) till the adult form is attained (S). 2a is a magnified representation of 2. One of the lowest amphibians is a curious animalcalled the proteus, which is found in the caves ofAdelsberg, near Trieste. In appearance and size it is METAIVIORPHIC AND PERMANENT FORMS. 193 not unlike a very clear, semitransparent earthworm,but at each side of the neck are two gills of af
. The Bible and science. 192 METAMORPHOSES OF AMPHIBIA. is like that which we find permanently in the ordernext above the amphibia, viz., the Fig. 97.—Tadpoles in different stages of development, from those just hatched(1) till the adult form is attained (S). 2a is a magnified representation of 2. One of the lowest amphibians is a curious animalcalled the proteus, which is found in the caves ofAdelsberg, near Trieste. In appearance and size it is METAIVIORPHIC AND PERMANENT FORMS. 193 not unlike a very clear, semitransparent earthworm,but at each side of the neck are two gills of afrinoe-like character, and of a brisfht scarlet colour,and it has four very small and weak legs, thefore-feet having three toes each, and the hind feetonly two. In the proteus the gills remain during the whole lifeof the animal, but in the ordinary water-newt, whichwe see swimming about our ponds, the gills are castoff as the animal grows, and the lungs develop. Thetail, however, always remains throughout life. In frogs, on the contrary, both gills and tail dis-appear in the adult animal. When the egg of thefrog is hatched, there proceeds from i
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