. The animals and man; an elementary textbook of zoology and human physiology. Zoology; Physiology. 228 THE ANIMALS AND MAN Note the foot of the robin, bluebird, catbird, wren, warb- ler, and other passerine or perching birds. It has three unwel)bed toes in front and a long hind toe perfectly oppos- able to the middle front one. This is the perching (jslrith-farm at Pasaden Californi: (Photo- FlG. 120. (Vstnchcs on graph from Note the so-called zygodactyl foot of the woodpecker, with two toes projecting in front and partly yoked together, and two similarly yoked projecting behind
. The animals and man; an elementary textbook of zoology and human physiology. Zoology; Physiology. 228 THE ANIMALS AND MAN Note the foot of the robin, bluebird, catbird, wren, warb- ler, and other passerine or perching birds. It has three unwel)bed toes in front and a long hind toe perfectly oppos- able to the middle front one. This is the perching (jslrith-farm at Pasaden Californi: (Photo- FlG. 120. (Vstnchcs on graph from Note the so-called zygodactyl foot of the woodpecker, with two toes projecting in front and partly yoked together, and two similarly yoked projecting behind. Note the webbed swimming-foot of the aquatic birds; note the different de- grees of webbing, froj;ii the totipalmate, where all four toes are completely webbed, palmate, where the three front toes only are bound together but the web runs out to the claws,. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; McCracken, Mary Isabel. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookd, booksubjectphysiology, booksubjectzoology
