(1) An almost complete absence of pruritus.
(2) A very slow evolution.
(3) A distribution in circumscribed, sharply defined patches, whose dimensions are from 2 cm. to 6 cm. in diameter, and which are scattered here and there over the integument.
(4) An almost complete absence of infiltration of the derma.
(5) A pale redness (pinkish coloured).
(6) A fine pityriasic desquamation.
(7) An extraordinary resistance to the local applications usually employed in the treatment of psoriasiform or pityriasic seborrhœa, in fact, only yielding slowly and imperfectly to the most energetic application of pyrogallic acid.
The special features of the third variety he describes as:
(1) Being in patches, circumscribed, sharply defined from 2 cm. to 6 cm. in diameter.
(2) They are scattered irregularly over the skin without any apparent system.