Search

Multispectral scanning was evaluated as an aid to the rapid assessment of sand and gravel resources in areas of scattered drift deposits. In the area chosen, where glacial sands and gravels, tills, river terrace deposits and alluvium overlie Mercia Mudstone Group mudstones with thin sandstone bands, it was found possible to delineate areas of alluvium and outcrops of sandstone, but not to distinguish sands and gravels from till clays or from mudstones. The reasons for these results are discussed.

Although preserved aortic homografts were successfully implanted in dogs almost 50 years ago, wide clinical application of this procedure has only recently been made; for the treatment of abdominal aortic aneurysms, it has been used by only a few surgeons in a small total number of cases. The major complications thus far reported have been thrombosis and rupture at the site of anastomosis.1 This is a report of a complication not previously recorded, namely, rupture of the wall of the graft not contiguous with the anastomosis, resulting in fatal retroperitoneal hemorrhage. REPORT OF A CASE A white man, aged 66 years, was admitted to University Hospital on Sept. 10, 1953. He had had bilateral intermittent claudication, radiating to the low back, for 10 years. Two months before admission he had had a two day episode of severe pain on the left side of the abdomen, and one week before