. Animal biology. Biology; Zoology; Physiology. SURVEY OF VERTEBRATES 119 the gardener owes a Toad on his premises nearly twenty dollars at the end of the season. Moreover, the Toad is much maligned by having attributed to it the power to produce warts on the human skin. Tree Frogs and Tree Toads are tiny arboreal forms with soft, adhesive pads on the toe tips. Many of them, such as the common. Fig. 78. -- A, Toad. Bufo americanus. stalking prey; B, Leopard Frog, Rana pipiens; C, Javan Flying Frog. Rhacophorus pardalis; D. Tree Frog, Hyla versicolor. (From Newman, after Dickerson and Lydekker.
. Animal biology. Biology; Zoology; Physiology. SURVEY OF VERTEBRATES 119 the gardener owes a Toad on his premises nearly twenty dollars at the end of the season. Moreover, the Toad is much maligned by having attributed to it the power to produce warts on the human skin. Tree Frogs and Tree Toads are tiny arboreal forms with soft, adhesive pads on the toe tips. Many of them, such as the common. Fig. 78. -- A, Toad. Bufo americanus. stalking prey; B, Leopard Frog, Rana pipiens; C, Javan Flying Frog. Rhacophorus pardalis; D. Tree Frog, Hyla versicolor. (From Newman, after Dickerson and Lydekker.) Tree Frog, Hyla versicolor, are able to change their color through various shades of gray, brown, and green, and so are rendered inconspicuous in their natural surroundings. (Fig. 78.) The true Frogs are represented by several well-known species in the United States: among them the Leopard Frog {Ranapipiens), the Bull Frog (Rana catesbeiana), and the Green Frog (Rana clami- tans). More need not be said about Frogs at this point because they will be referred to again. As a matter of fact they are in many ways ideal subjects for anatomical and physiological in- vestigations and therefore have contributed considerably to the advancement of biological science. (Figs. 107, 175.). 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 Woodruff, Lorande Loss, 1879-1947. New York The Macmillan company
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