. Elements of zoölogy. Zoology. AMPHIBIOUS VERTEBRATES. 201. Fig. 243.—Metamorphosis of the frog, e, eggs; 1, tadpoles just out of the egg ; 2) with outside gills ; 3, with gills hidden, and beak-like mouth ; 4, hind-legs appearing; 5, all legs grown, but fish-tail remaining; 6, put- ting on frog appearance, tail being absorbed ; 7, young perfect frog. Toads {BufontdcE).—The toads in the adult form are terrestrial, the toes are webbed, and the skin generally covered with warty protuberances. The eggs of Pelobates are deposited in the water in a loop. The male of the Alytes of Europe winds the


. Elements of zoölogy. Zoology. AMPHIBIOUS VERTEBRATES. 201. Fig. 243.—Metamorphosis of the frog, e, eggs; 1, tadpoles just out of the egg ; 2) with outside gills ; 3, with gills hidden, and beak-like mouth ; 4, hind-legs appearing; 5, all legs grown, but fish-tail remaining; 6, put- ting on frog appearance, tail being absorbed ; 7, young perfect frog. Toads {BufontdcE).—The toads in the adult form are terrestrial, the toes are webbed, and the skin generally covered with warty protuberances. The eggs of Pelobates are deposited in the water in a loop. The male of the Alytes of Europe winds the eggs about its body in strings, and goes into the water, remaining until the young appear. The spade-foot is noted for its sudden appearance in cer- tain localities. It remains but a day or so in the water,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Holder, Charles Frederick, 1851-1915; Holder, Joseph Bassett, 1824-1888, joint author. New York : D. Appleton and company


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884