Casting of hairs; its technique and application to species and personal identification.

P. L. Kirk, Professor of Biochemistry, University of California Medical School, has engaged in extensive research in the techniques of hair identification and differentiation. Several of his papers on these studies have appeared in this Journal. In this present article Professor Kirk and associates describe a simple method for casting hairs which may well lead to further criteria in differentiating between hair specimens. Stanley Magagnose is a graduate of the University of California and was a. student in micro-chemistry. Toris Salisbury is a graduate in the Technical Criminology program offered at the University of California.-EDITOR.