The following case of amyotonia congenita is of interest because of the unusual presence of signs of involvement of the pyramidal pathway, in contradistinction to the inevitable findings of absence of the deep reflexes.
REPORT OF CASE
History.
—The patient, M. M., was a white girl, aged 2½ years; the father, aged 40, the mother, aged 32, a sister, aged 8 years, and a brother, aged 6 years, were all in normal health. No pathologic familial traits were known to exist The child was born at term; the delivery was normal, and the weight at birth was 8½ pounds (3,855.6 Gm.). She had no illnesses other than the present condition. At 4 months it was noted that she was not like other children. Her cry was feeble; she gained weight slowly, and she could not move her legs. As she grew older, she began to show symptoms of a definite