. Beginners zoology. Zoology. BATRACHIA 129 surface when it floats or swims in a tub of water ? Why? Do frogs croak in the water or on the bank ? Why do they croak after a rain ? Do toads croak ? Are the eggs laid in still or in flowing water? In a clear place or among sticks and stems ? Singly, or in strings or in masses ? (Fig. 248.) Describe an egg. Why do frogs dig into the mud in autumn in cold climates ? Why do they not dig in mud at the bottom of a pond.''. Fig. 250. — Painted Frog {Oiorophilus ornatus),o{Me\\co. Describe the position of the frog when still (Fig. 250). Of what advantage
. Beginners zoology. Zoology. BATRACHIA 129 surface when it floats or swims in a tub of water ? Why? Do frogs croak in the water or on the bank ? Why do they croak after a rain ? Do toads croak ? Are the eggs laid in still or in flowing water? In a clear place or among sticks and stems ? Singly, or in strings or in masses ? (Fig. 248.) Describe an egg. Why do frogs dig into the mud in autumn in cold climates ? Why do they not dig in mud at the bottom of a pond.''. Fig. 250. — Painted Frog {Oiorophilus ornatus),o{Me\\co. Describe the position of the frog when still (Fig. 250). Of what advantage in this position? Does the frog use its fore legs in swimming or jumping? Its hind legs? How is the frog fitted for jumping ? Compare it in this respect with a jumping insect; a jumping mammal. How is it fitted for swimming ? Is the general build of its body better fitted for swimming or for jumping? How far can a frog jump ? External Features. —The frog may be said to have two regions in its body, the head and the trunk. A neck hardly. 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 Coleman, Walter M. Toronto : Macmillan
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921
