To the Editor.鈥�听
In the interesting exchange of letters between Dr W. D. Jacoby and Drs T. Butterworth and W. C. Johnson (Arch Dermatol 112:1034-1035, 1976) concerning identity or differences of cutis punctata linearis colli and juxtaclavicular beaded lines, all three authors agree that these phenomena are based on a common variant of the skin in this area. All of them, and also Even-Paz and Sagher,1 who said in 1963 that this feature of normal skin surface seems to have escaped attention in dermatological texts, have overlooked the very clear description in the rarely failing source of dermato-anatomical information, Felix Pinkus' "Anatomie der Haut."2After discussing direction of hairs in the form of hair streams and basic arrangement of hairs in groups of three or more in parallel lines at right angles to the hair streams, F. Pinkus reproduces a clear photograph of linear arrangement of hair groups