He made the report to the New York Senate Commission on Asylums for the Insane as one of three years' protraction.

Tidd speaks of a woman who was delivered of a male child at term, and again in ten months delivered of a well-developed male child weighing 7 1/4 pounds; he relates the history of another case, in Clifton, W.Va., of a woman expecting confinement on June 1st going over to September 16th, the fetus being in the uterus over twelve months, and nine months after quickening was felt.
Two extraordinary cases are mentioned, one in a woman of thirty-five, who expected to be confined April 24, 1883.

In May she had a few labor-pains that passed away, and during the next six months she remained about as large as usual, and was several times thought to be in the early stages of labor.

In September the os dilated until the first and second fingers could be passed directly to the head.

This condition lasted about a month, but passed away.