This series covers the period 1895-1925 and consists of notebooks, correspondence and draft addresses recording professional visits and meetings abroad. Of special interest is a field notebook in Bateson's hand from a visit to Spain in 1895 [MS Add.8634/F.1]. Other trips documented include the following: to Australia, 1914, as President of the British Association; to the USA and Canada, Dec. 1921 - Jan. 1922, which included the Address to the American Association for the Advancement of Science, Toronto; and to Russia, 1925, to attend the bicentenary of the Academy of Sciences in Leningrad.