There is a clinical entity in which infants are born with large tongues as a consequence of idiopathic hypertrophy of the muscle fibers. Of nine such cases treated by this author, seven also had an omphalocele or an umbilical hernia—an association not well understood. An anterior wedge resection of the tongue at approximately six months of age to pro tect against prognathism and speech defects seems advisable. © 1968, Sage Publications. All rights reserved.