抄録
(1) In the present paper I demonstrated Kishim…Family as the second family of Pelger's Familial Nuc-lear Anomaly of Leuco-cytes in this country.
(2) The result of the blood investigation of 2 further cases (grand-mother and cousin) be-longing to the first family of Pelger's anomaly in Japan was reported, which taught me that the anomaly in the first family was inherited through three generations.
(3) The opinions of different authors concerning the varieties of leucocytes and genesis of Pelger's anomaly were introduced, and my own opinion was also published.