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entrance into the intestine. The worms, having entered the latter, had made their way through the remains of the vitelline duct to the navel. Crall-Stones in ihe Urinary Bladder. -The presence of several calculi in the urinary bladder of a female was ascertained by Güterbock,1 and their removal effected by lithotripsy. The chemical examination of these by Schultzen and Liebreich showed them to be composed mainly of cholesterine. and biliary coloring matters with a crust of uric acid. There weredoi:10.1056/nejm187610260951704 fatcat:tcbra6lczzeexbihrgq7iwvozq