Summary o (1) Deafness must be diagnosed in a child at the earliest possible moment. (2) During the second, third and fourth year of a child's life appropriate training can make use of any residual hearing at its most responsive period. (3) Hearing aids must be used continuously. (4) The ability and perseverance of the mother in communicating with her child is all important. (5) Results depend greatly on the intelligence of the affected child. (6) Further efforts are required to disseminate the simple facts of what can be done for the deaf child.