A. Copious red rash, 82, 105; 14,472.

Rubeoloid and urticarial eruption, Waldeck, 121, '78, 102.

B. The susceptibility of the skin to tar differs greatly in individuals. In some, a single application is followed by swelling and redness, increased warmth and tension, and even vesicles and bulla'; while in others long-continued tar applications produce no inconvenience, 9, 577. Tar acne (so-called).

C. Eczema, 82, 105.

Furuncles, Hardy, 174, Sept. 1, '74.

Psoriasis, (Cazenave, 107, 3: 224; 205; Squire, 116, Apr. 10, '75.

D. Psoriasis, Emery, 117, '37, 69; 32, 1: 919; 6, 579. Scabies, prurigo, lichen, and chronic eczema, 43, 434. Prurigo, 32, 1: 919; 6, 579; 97, 1: 584.

In most persons tar diminishes pruritus, but in some it increases it excessively, 9, 577. Intertrigo, 99, 104.

Remarks

The officinal preparations are: Infusum Picis Liquidoe; Glyceritum Picis Liquidoe; Unguentum Picis Liquiddoe.