. The structure and classification of birds . fibres for the movement of the secondary feathers, was dis-covered. The biccys is two-headed in the Steganopodes ; but thearrangement differs from what is common among heads, in fact, arise from the coracoid, but the outerone, which corresponds to the humeral head of other birds, isalso attached to the humerus. The two muscular bellies areseparate in Pelecanus and Fregata, and their tendons unite COR

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898