. The structure and classification of birds . cervicalvertebrae have strong median hsemapophyses, those of thesixteenth being fused with the two following at their ex-tremities (cf. JfMsqp/iagra, p. 285). The last cervical vertebraand the three anterior dorsals are themselves fused. It will be simpler to compare the vertebrae of Galluswith those of some other Galli by means of the followingtable:— Crossoptilon mantchuricumNumida cristataTalegalla Lathami .Megacephalon maleo .Callvpepla caUfornicaPtilopachys ventralisAburria carunculata. First HiBm-apoph. Last HaeiD. Hsem. fused i VertebrsB !fu

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. The structure and classification of birds . cervicalvertebrae have strong median hsemapophyses, those of thesixteenth being fused with the two following at their ex-tremities (cf. JfMsqp/iagra, p. 285). The last cervical vertebraand the three anterior dorsals are themselves fused. It will be simpler to compare the vertebrae of Galluswith those of some other Galli by means of the followingtable:— Crossoptilon mantchuricumNumida cristataTalegalla Lathami .Megacephalon maleo .Callvpepla caUfornicaPtilopachys ventralisAburria carunculata. First HiBm-apoph. Last HaeiD. Hsem. fused i VertebrsB !fused Cll D4 C16-D3 C16-D3 oil D3 C16-D2 ; C16-D3 Cll D2 016-D2 i C16-Da CIO Dl C15-D1 C15-D2 C13 D2 C16-D2 C16-D3 Cll D3 D1-D3 D1-D3 C12 D3 D1-D2 C16-D3 Bifld at end. GALLI 301 It is evident that not much of classificatory importanceis deducible from the above facts. Huxley has used withmore success the remaining parts of the skeleton. The gallinaceous birds are divided by Huxley into twomain subdivisions, Peristeropodes and

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898