 Its posterior prostatic course through the prominent folds or plications of the oviduct is tubular, thence open, but for a short distance enfolded on all sides by the above-mentioned plications.From this point to the albumen gland it is a well-marked area of a rusty brownish tint, and somewhat separated from the uteral portion by the longitudinal folds.The uterus is thrown into numerous sacculations, and its interior walls are richly convolutely plicated.