“…The present paper, together with those of Bielschowsky and Green (1945), and Peacock and Peacock (1949,1954) demonstrates that, as in mammals, it is possible to induce multiple primary tumours in various organs of the fowl by means of a carcinogen. Some of these tumours were adenomatous, others frankly malignant, as proved by remote metastases and implantations.…”