. A textbook in general zoology. Zoology. FROGS, TOADS, AND SALAMANDERS 241 the family of true toads or frogs but fall in a family by them- selves. The tree toads (Fig. 168) of our country are noted for their loud voices. It is these that we hear piping so shrilly in the early spring. In the even- ing, after a rain, the loud, clear piping of the little tree, toad, known as Hyla versi- color, is almost in- variably heard. It is called versicolor, because, like many other tailless amphib- ians, it possesses the power of changing the shade, or tint of its skin. Ordinarily, it is gray above with d
. A textbook in general zoology. Zoology. FROGS, TOADS, AND SALAMANDERS 241 the family of true toads or frogs but fall in a family by them- selves. The tree toads (Fig. 168) of our country are noted for their loud voices. It is these that we hear piping so shrilly in the early spring. In the even- ing, after a rain, the loud, clear piping of the little tree, toad, known as Hyla versi- color, is almost in- variably heard. It is called versicolor, because, like many other tailless amphib- ians, it possesses the power of changing the shade, or tint of its skin. Ordinarily, it is gray above with dark, irregular blotches, greatly re- sembling the bark of trees (Fig. 169), on which it lives. On the under sides of all of its toes and fingers are small adhesive disks by which it is enabled to cling to the trunks and branches of trees. It is also able to leap two or three feet from branch to branch. Characteristics of the group. â To sum up, the Amphibia are animals that, in general, live a double life. That is, one part of their lives, the first part, is passed in the water, with few exceptions, while the later, or adult stage, is usually. Fig. 16S. â Tree toad {Hyla versicolor). the suction disks on tlie toes. Note HERRICK'S ZOOL. â 16. 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 Herrick, Glenn W. (Glenn Washington), 1870-1965. New York, Cincinnati [etc. ] American Book Company
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