This is called an Ovate Pelvis. It appears as if it had been crushed by a heavy weight, from above downward, the sacrum being depressed below the plane of the pubes. In this case the antero posterior diameter of the upper strait is so much lessened that the two halves appear nearly separated, and form almost a figure of eight (8).

Plate XLII.

Represents the peculiar deformity most frequently produced by Mollites Ossium.

Plate XLIII.

This is called an Ovate Pelvis.



PLATE XLIV.