. The structure and classification of birds . Fig. 235.—Sybinx of Apteryx Fig. 236.—The same, feom behind. MantelU. Feont View.(After Forbes.) in ttis and followingfigs., tracheal rings. an internal network by the presence of folds which may becompared with the structure of the cseca of Galodromas,already referred to. The caeca of Apteryx are long and nar-row, like those of the tinamous (excluding Galodromas). Struthio has the most remarkable Hver of all the Stru-thiones. The two lobes are intimately fused into one heart-shaped lobe. There is an indication of a spigeHan lobe, asvdth othe
. The structure and classification of birds . Fig. 235.—Sybinx of Apteryx Fig. 236.—The same, feom behind. MantelU. Feont View.(After Forbes.) in ttis and followingfigs., tracheal rings. an internal network by the presence of folds which may becompared with the structure of the cseca of Galodromas,already referred to. The caeca of Apteryx are long and nar-row, like those of the tinamous (excluding Galodromas). Struthio has the most remarkable Hver of all the Stru-thiones. The two lobes are intimately fused into one heart-shaped lobe. There is an indication of a spigeHan lobe, asvdth other StrutMones, and the single bile duct (there is nogall bladder) opens, exceptionally, only 4 cm. from thepylorus. Bhea has, as a rule, no gall bladder, but Gadowfound traces of one in a specimen dissected. This occurred(see figs. 19,20, p. 34) both in and Bh. and Dromaus have a well-developed gall .bladder. 508 STEUCTURE AND CLASSIFICATION OF BIRDS and Mitchell noted in the former genus that the gallduct a
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898
