The Bookshelf for boys and girls: Nature and Outdoor Life (1912)
University Society, New York · New York. : University Society · leaf 40
e air in the direction of flight, a,wild duck; b, grouse and quail; c, crow; d, man-of-war bird — atypical sea-bird. comparatively small, rounded wings and heavybodies. When the flight is between these ex-tremes, the extent of the wings as related to thesize of the body remains the same with… … THE DETAIL OF THE END OF A BIRD S TAIL.To show shutter-like lapping of the feathers. Note the arrangement ofthe feathers in pairs, the outermost feather on each side being thecuter pair ; hence there is always an even number of tail-feathers —usually twelve. have seen it to be, of first importance,…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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