. Modern surgery, general and operative. Fig. 849.—The large intestine behind theperitoneum (Weir). Connectwe t/ssueFig. 850.—The retroperitoneal large intes-tine in a cross-section of the hernia with itsincomplete sac (Weir). looseness of the peritoneum of the iliac region a portion of the large bowel slidesinto the hernia. In such a case the posterolateral aspect of the sac is absent(Figs. 849 and 850). In a right-sided condition the descending bowel carries withit into the scrotum a fold of loosened peritoneum, just as in the descent of thetestis (Weir, in Med. Record, Feb. 24, 1900). Slidi

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. Modern surgery, general and operative. Fig. 849.—The large intestine behind theperitoneum (Weir). Connectwe t/ssueFig. 850.—The retroperitoneal large intes-tine in a cross-section of the hernia with itsincomplete sac (Weir). looseness of the peritoneum of the iliac region a portion of the large bowel slidesinto the hernia. In such a case the posterolateral aspect of the sac is absent(Figs. 849 and 850). In a right-sided condition the descending bowel carries withit into the scrotum a fold of loosened peritoneum, just as in the descent of thetestis (Weir, in Med. Record, Feb. 24, 1900). Sliding hernia of the ascend-ing colon is wrongly called sliding hernia of the cecum. In most cases of slid-ing hernia of the left side the descending colon is dragged into a preexistinghernia sac containing small bowel, omentum, or both. The large bowel iscovered with peritoneum except posteriorly, where the mesocolon is form is nearly always irreducible and occurs particularly in elderly another group of cases the

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