The following case is presented because it is believed to be the first reported instance of "double appendix" arising as a congenital malformation and unassociated with inflammation. This and other anomalies of the intestinal tract in the patient bear a striking resemblance to the avian alimentary tract. "Double appendix" appears in quotation marks, for the "appendixes" are believed to be the homologs of avian ceca rather than true appendixes. The possibility of two appendixes in one person may have important medicolegal significance.
A summary of the clinical data and a condensation of the pathologic report follow:
REPORT OF CASE
History.—L. A., a white male infant, entered the hospital on July 29, 1931, at the age of 11 hours, because of an imperforate anus. He was born at full term; the delivery was normal. X-ray plates taken with the patient in an inverted position showed no air-filled intestine in the