Letter to Bateson (in French); 2 sets of paginated manuscript notes by Bateson (5pp and 10pp); further pages of notes (on small pieces of paper) re published literature.

Wilson's correspondence to Bateson, 1909, 1925, refers to lepidoptera and general professional matters.

Brief correspondence to Bateson; 4pp of his manuscript notes on 'Imperfect sexual orientation in ants'; several further pages of notes on published literature. Correspondents include W. Heape.

Correspondence, in German; Bateson's manuscript notes in connection with published literature. The principal correspondent is C. Hartlaub.

One letter only from Scott to Bateson, 1926, re S.G. Navashin and matters in Russia; Sharp's correspondence to Bateson, 1909, 1914, relates to Arctia caja (Garden tiger moth) and Hawaiian insects.

9pp manuscript notes by Bateson.

Contains pencil notes in Bateson's hand, chiefly on various bird species, and also on insects, wheat etc. A few sketches are included. Paginated '1-174'.

Brief correspondence to Bateson re pieris napi eggs; 6pp experimental data and further pages of notes, all in Bateson's hand.

Letter to Bateson from H.J. Elwes, with enclosed notes; bibliographical notes in Bateson's hand.

Correspondence to Bateson, with one draft of a letter by Bateson (K.67). The subject-matter is wide-ranging, covering work on Drosophila and other studies, lectures and publictions, Morgan's visit to England in May-June 1922, general professional activities and personal matters. Divided into two folders for ease of reference.