Correspondence to Bateson re hound colours and horse breeding, with related offprint. Inserted into one letter is a small piece of paper with Bateson's manuscript notes.

Letter from Durham to E.J. Allard, head gardener, re plant seeds from Teneriffe, 1913; letters to Durham from A.W. Hill and Sir David Prain, 1914, 1915, re various plant species; 10pp manuscript draft of a paper by Durham, 'A Contribution to the study of inheritance of mice with reference to their susceptibility to transplantable tumours', nd. On the back of the final page of the draft is a manuscript note: 'Report IV Evolution Committee of Roy Soc.'.

Correspondence to Bateson from E. Hawker, sheep breeder in South Australia, with related pages of manuscript data.

Contents of an envelope so inscribed. Brief correspondence with B.T. Rumble; 6pp manuscript draft of Bateson's application for permission and fair copy version; manuscript draft of a letter to [?Sir David Prain].

3 photographs of 'young pigs from Tamworth + Berks', with manuscript explanatory notes by Bateson, 1923.

Correspondence, with accompanying notes and pedigrees, re rabbit breeds. One letter and accompanying notes are in German. The correspondents include E. von Hippel.

Letter to Bateson from Mary Ward, with 4pp manuscript notes (2pp in Bateson's hand), on cross-breeding of rats.