Letter from Howard Walter Florey to M Hayter Ethel Reed, North Adelaide Priory Street, Cambridge. Comments on Ethel's letter and on her sister's marriage - has been looking at sections which he thinks will be of importance in showing that capillaries leak through the cell itself and not through spaces between cells - gives details of his technique for preparing sections - comments on work on isolated leucocytes. Note added - fewer errors this time - will send letter to Ethel's home not to the hospital. 9 March 1925