6pp notes in Bateson's hand.

Correspondence to Bateson, with printed material, relating to ostrich breeding.

Correspondence to Bateson from Rose Haig Thomas re pheasant hybrids, with her manuscript notes. One letter is a photocopy.

Letter to Bateson from R. Staples-Browne; 6pp manuscript notes by Bateson.

This material was found in three separate files. This arrangement has been maintained.

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'.

One letter only from Pycraft to Bateson, 1913, re polyandry in birds; correspondence from Regan to Bateson, 1924, nd, relates to variation in fish, including ambicoloration.

Brief correspondence from Sherrington to Bateson (one photocopy), 1925, re arrangements for an unidentified talk by Bateson and other matters; one letter only from Seth-Smith to Bateson, 1913, concerning a peacock hybrid.