ABOUT twelve years ago Prof. Huxley had taken up the subject of the classification of birds in his usual zealous and original way, and from quite a new point of view. Prof. Huxley, treating birds ...
Shufeldt, Robert W. 1887. "A Review of the Muscles used in the Classification of Birds." Journal of Comparative Medicine and Surgery, (4) 321-344. Thirteen text figures.
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