. The structure and classification of birds . ALIMENTARY CANAL 27 straight large intestine of the crocodile by its convolutedcourse. So too with the gallinaceous bird (fig. 10), where. FIG. 9.—Cliauna cliacaria ; ALIMENTARY TEACT. s, proveutriculus : g. glandular tract : </. duodenal loop ; l-l, large loop of smallintestine ; y, vitelline dtift : c, caeca ; Li, large intestine ; , portal vein ; ,rectal vein. (After CHALMKRS MITCHELL.)

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898