. Elementary biology, animal and human. Biology. BIRDS 67 ward wing stroke, on the other hand, the resistance of the air is diminished since the feathers are separated more or. Fig. 49. —Wing of Tern. (Photographed by E. R. Sanborn, N. Y. Zoological Park.) less Uke the slats of a Venetian bhnd, thus allowing the air to pass between 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 Peabody, James Edward, b. 1869; Hunt,
. Elementary biology, animal and human. Biology. BIRDS 67 ward wing stroke, on the other hand, the resistance of the air is diminished since the feathers are separated more or. Fig. 49. —Wing of Tern. (Photographed by E. R. Sanborn, N. Y. Zoological Park.) less Uke the slats of a Venetian bhnd, thus allowing the air to pass between 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 Peabody, James Edward, b. 1869; Hunt, Arthur Ellsworth, joint author. New York, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbiology, bookyear1912
