. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Bullfrog. THE FROG Teacher's Story \ HE stroller along brooksides, is likely to be surprised some day, at seeing a bit of moss and earth suddenly make a high leap and a far one, without apparent provocation. An investigation resolves the clump of moss into a brilliantly green and yellow, striped frog, and then the stroller wonders how he could have over- looked such an obvious creature. But the leopard frog is only obvious when it is out of its environment. The common green frog is qu
. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Bullfrog. THE FROG Teacher's Story \ HE stroller along brooksides, is likely to be surprised some day, at seeing a bit of moss and earth suddenly make a high leap and a far one, without apparent provocation. An investigation resolves the clump of moss into a brilliantly green and yellow, striped frog, and then the stroller wonders how he could have over- looked such an obvious creature. But the leopard frog is only obvious when it is out of its environment. The common green frog is quite as well protected since its color is exactly that of green pools. Most frogs spend their lives in or about water, and if caught on land, they make great leaps to reach their native element; the leopard frog and a few other species sometimes wander far afield. In form, the frog is more slim than the toad, and is not covered with great warts; it is cold and slippery to the touch. The frog's only chance of escaping its enemies, is through the slipperiness of its body and by making long, rapid leaps. As a jumper, the frog is much more powerful than the toad because its hind legs are so much larger and more muscular, in comparison with its size. The first toe in the front feet of the leopard frog is much swollen, making a fat thumb; the mechanics of the hind legs make it possible for the frog to feather the webbed feet as it swims. On the bottom of the toes are hardened places at the joints, and sometimes others besides, which give the foot a strong hold when pushing for the jump. The toe tips, when they are pressed against the glass, resemble slightly the tree-toads' discs. The hind foot is very long, while on the front foot the toes radiate almost in a circle. The foot and leg are colored like the back of the body above, and on the under side resemble the under Please note that these images are extracted from scanned page images that may have been digitally enhanced fo
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