. The story of the amphibians and the reptiles. Amphibians; Reptiles. 8 STORY OP THE AMPHIBIANS limbs are small and useless. The creature moves by wriggling. (See Fig. 4.). "Mm M24!iSjdj±_ _i!i_ Fig. 4.—Congo snake iMuruenopsis tridactyla). The Csecilians have bands around the body, by which they pull themselves through the ground. In the legged forms the number of the toes varies. In the grasping hand of the frogs and tree-toads, there is found the first thumb in nature. So perfect is this that many tree-toads can suspend themselves for some time by a single hand. These have soft round p
. The story of the amphibians and the reptiles. Amphibians; Reptiles. 8 STORY OP THE AMPHIBIANS limbs are small and useless. The creature moves by wriggling. (See Fig. 4.). "Mm M24!iSjdj±_ _i!i_ Fig. 4.—Congo snake iMuruenopsis tridactyla). The Csecilians have bands around the body, by which they pull themselves through the ground. In the legged forms the number of the toes varies. In the grasping hand of the frogs and tree-toads, there is found the first thumb in nature. So perfect is this that many tree-toads can suspend themselves for some time by a single hand. These have soft round pads on the ends of the digits, which enable them to stick to smooth surfaces—the slipping being prevented by moisture. The cricket-frog can, by the mere adhesion of its moist underparts, climb np ver- tical glass and remain there even when so turned that its back is downward ; and one little salamander, hav- ing neither pads nor claws, can so run on ceilings. ClawB are very poorly developed in the amphibi-. 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 Baskett, James Newton, 1849-; Ditmars, Raymond Lee, 1876-1942. joint author. New York, D. Appleton and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectreptile, bookyear1902
