. The structure and classification of birds . Fig. 140.—Sternum of View. (Ai-teb Huxley.) Fig. 141.—Stekndm of Opis-tlwcomus. Front View.(After Huxley.) the spina externa sterni. The region of the furcula, however,which comes into contact with the sternum was found byPaekee to be a separate needle of bone, which he regardedas the intferclayicle (see p. 131). The scapula is provided inthe young distinct suprascapula, segmented off fromthe Scapula. The pelvis is especially compared by Huxley with thatof Coturnix; it has no ileo-pectineal processes. , , 288 STRUCTURE AND

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. The structure and classification of birds . Fig. 140.—Sternum of View. (Ai-teb Huxley.) Fig. 141.—Stekndm of Opis-tlwcomus. Front View.(After Huxley.) the spina externa sterni. The region of the furcula, however,which comes into contact with the sternum was found byPaekee to be a separate needle of bone, which he regardedas the intferclayicle (see p. 131). The scapula is provided inthe young distinct suprascapula, segmented off fromthe Scapula. The pelvis is especially compared by Huxley with thatof Coturnix; it has no ileo-pectineal processes. , , 288 STRUCTURE AND CLASSIFICATION OF BIRDS In the skull the rostrum is articulated with the frontalregion by a well-marked hinge. The skull is holorhinal,schizognathous, and there are no basipterygoid vomer is expanded and bifid in front in a fashion thatrecalls the segithognathous skull and that of certain of theCharadriiformes (see below). In the young skull Parker figures basipterygoid pro-cesses, not, however, articulating with the pteryg

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898