The Ephemerides speaks of it, and Rudolph discusses its occurrence exhaustively and tells of the difficulties of such a labor.

Burrall mentions a case of labor without apparent liquor amnii, delivery being effected by the forceps.

Strong records an unusual obstetric case in which there was prolongation of the pregnancy, with a large child, and entire absence of liquor amnii.

The case was also complicated with interstitial and subserous fibroids and a contracted pelvis, combined with a posterior position of the occiput and nonrotation of the head.

Lente mentions a case of labor without liquor amnii; and Townsend records delivery without any sanguineous discharge.