This paper presents an evaluation of the practical importance of touch smears made from specimens taken for biopsy of the skin in cases of suspected cutaneous lymphoblastoma. Wilson<sup>1</sup>reported the value of cutaneous smears as a diagnostic aid in certain malignant lesions of the skin in a series of cases studied at the Mayo Clinic and in an additional group of his own observed later. A brief review of the literature was given in his paper. The aspiration technique described by Swiller and associates<sup>2</sup>was not employed. Material and Methods Studies were made of a series of 19 patients who had lymphoblastoma seen at the Mayo Clinic between the summer of 1953 and the summer of 1955. Biopsy was performed and touch smears were made in all instances and also in a control series of 59 patients who had benign dermatoses of different types. All these