. The structure and classification of birds . his tables of differential characters FUBBEINGEErefers little to those of the fore limb girdle (includingsternum) as distinguishing Dinornithidae from Rkea. Adetailed account of the pros and cons will be found in thesystematic part of FUEBEINGEEs work, and as regards theskull in PAEKEEs paper already referred to. The Struthiones have been often held to be more primitivethan any of the existing groups of birds. There are really, however, not a large series of charactersin which they may be fairly said to be more primitivethan some other groups, and


. The structure and classification of birds . his tables of differential characters FUBBEINGEErefers little to those of the fore limb girdle (includingsternum) as distinguishing Dinornithidae from Rkea. Adetailed account of the pros and cons will be found in thesystematic part of FUEBEINGEEs work, and as regards theskull in PAEKEEs paper already referred to. The Struthiones have been often held to be more primitivethan any of the existing groups of birds. There are really, however, not a large series of charactersin which they may be fairly said to be more primitivethan some other groups, and most of these are shared bysome others. The form of the palate and the single-headed quadrateappears to be a low character; but the former is sharedwith the tinamous, the latter with some other groups. Theincompleteness of the fusion of the cranial bones may belooked at in the same way ; but the penguin is on the samelevel as the Struthiones. The absence of any fusion distallybetween the bones of the pelvis in Apteryx and Dinornis is «OJ Q_. o c


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898