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

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

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.