CORRESPONDENCE MEDICAR 1183 tion appears to support the views held by Drs. Riley and Sclare, and by the other observers mentioned; furthermore, it strengthens the view that heredity and iodine deficiency are possible factors in the production of the condition. It is interesting to recall that I took a photograph of one of the stillborn children, which showed very clearly the outline of the goitre, and sent it to Sir Thomas Dunhill (then Mr. T. P. Dunhill), of St. Bartholomew's Hospital, who was greatly interested.-I am, etc., Cardiff. T. STENNER EVANS. Diagnostic Sign of Intussusception SIR,-I thought that the following sign might be of aid in diagnosis of intussusception. It is one of the most difficult things to feel the lump in the abdomen at times. I would like to suggest that the child is turned in the knee 'and elbow position, and, as the abdominal wall is usually completely relaxed, the lump is usually felt, because it literally falls into the hand.-I am, etc., Dartford. Kent.
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