plica polonican.

1652 A. Ross Arcana Microcosmi iii. vii. 86 (contents) 1. The effects of bloud being drunk. 2. Some strange diseases. 3. Plica Polonica.

1684 R. Boyle Exper. Porosity of Bodies vii That disease, which, from the country it most infests, is called the Plica Polonica.

1717 J. Drake Anthropologia Nova (ed. 2) II. 169 Their [sc. the hairs'] Cavity has been..prov'd by the Distemper called the Plica Polonica, in which the Blood it self has dropt through the Hairs.

1788 G. Colman Connoisseur II. 84 At present it [sc. the hair] is braided into a queue,..which, if it were not reverted upwards, would make us imagine that our fine ladies were afflicted with the Plica Polonica.

1816 W. Kirby & W. Spence Introd. Entomol. (ed. 2) I. 97 Millions of lice are said by Lafontaine..to show themselves in Plica polonica, on the third day of the disease.

1893 Nation (N.Y.) 23 Mar. 217/1 The terrible disease of the hair, the plica polonica, is said to have entirely disappeared.

1926 O. L. Levin Your Hair & Your Health xii. 132 A type of matted hair that in this country is mostly found among immigrants is called plica polonica.

1969 Arch. Dermatol. 100 457/2 Plica polonica was a common condition of the scalp in Poland during the 19th century.

1993 New Scientist 9 Oct. 53/2 A much more vigorous form of plica, known as ‘plica polonica’ is described in Gould and Pyles' Anomalies and Curiosities of Medicine as originating in Poland in 1285.