. The bird, its form and function. Birds. 3^ The Bird finer booklets, and then the number of feathers on the pigeon's body, we can echo the exclamation of Solomon: "The way of an eagle in the air" is "too wonderful for me!" Another beautiful aclaiDtation to flight is seen in our. Fig. 23.—Feathers of Condor and Emeu. The aftershaft in the former is reduced to a downy filament at the base of the vane; in the latter it equals the feather itself in .size. feather. The upper part of the wing must of course be perfectly level, with no projections to catch the air and retard moti
. The bird, its form and function. Birds. 3^ The Bird finer booklets, and then the number of feathers on the pigeon's body, we can echo the exclamation of Solomon: "The way of an eagle in the air" is "too wonderful for me!" Another beautiful aclaiDtation to flight is seen in our. Fig. 23.—Feathers of Condor and Emeu. The aftershaft in the former is reduced to a downy filament at the base of the vane; in the latter it equals the feather itself in .size. feather. The upper part of the wing must of course be perfectly level, with no projections to catch the air and retard motion. So, on the upper side of the feather, we notice that the lines of barbs spring out flush with the flattened qufll-top, while below, the shaft projects promi- nently from the vane. The obliquely forward direction in which the barbs grow, the change in shape of the. 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 Beebe, William, 1877-1962. New York, Holt
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1906
