Chojnowski records a case in which the perspiration resembled milk.
Hyperidrosis occurs as a symptom in many nervous diseases, organic and functional, and its presence is often difficult of explanation.

The following are recent examples: Kustermann reports a case of acute myelitis in which there was profuse perspiration above the level of the girdle-sensation and none at all below.

Sharkey reports a case of tumor of the pons varolii and left crus cerebri, in which for months there was excessive generalized perspiration; it finally disappeared without treatment.

Hutchinson describes the case of a woman of sixty-four who for four years had been troubled by excessive sweating on the right side of the face and scalp.

At times she was also troubled by an excessive flow of saliva, but she could not say if it was unilateral.
There was great irritation of the right side of the tongue, and for two years taste was totally abolished.