Letter from Robert W Begg, Dalhousie University, Halifax, Nova Scotia to Howard Walter Florey Asks if there is a fixed time in Trinity Term to supplicate for DPhil - would like to take his degree in latter part of June - discusses this - has assumed that he will have to come to Oxford for oral examination - comments on this - asks for advice on length and presentation of thesis - outlines work he will include under title "factors influencing malignant properties of tumours in animals" - asks if work on distribution of enzymes in cells of tissues exhibiting systemic effects, which will form part of thesis by one of his students, should be included - asks if work may be published before thesis is presented - asks if oral examination will be on his thesis - assumes he should send Supervisor's Certificate to Dr Berenblum. 14 November 1949