CHAP. XXX.
HYDROCEPHALƲS: * 1.1 is as it were a drop∣sie of the head, by a waterish humour; and is a disease almost peculiar to infants new∣ly born.
The violent compression of the head by the hand of the midwife, or a fall, * 1.2 or contusion may be the cause; from hence comes a break∣ing of a vein, or artery; and an effusion of blood under the skin; which by corruption becom∣ing wheyish, at last degenerateth into a certain waterish humour, or abundance of serous and acrid blood, sweating through the pores of the vessels, as between the musculous skin of the forehead; and the Pericranium, or between the skull and the Duramater; or in the ventricles of the brain may be the cause.
It is a tumour without pain, soft, * 1.3 and much yeelding to the pressure of the finger.
1. If it bee a tumour contained be∣tween the musculous skinne and the Peri∣cranium.
2. When it remaineth between the Pericra∣nium and the skull, the tumour is a little harder, and there is a little sense of pain.
3. When it remaineth between the skull and the Duramater, or in the ventricles of the