The contents are as follows:
(i) Photographs of newts and fish used in experimental work at University College, London (cf MS.20649) between 1945 and 1956 (folio 1);
(ii) Snapshots of Helen Haldane and colleagues taken in October 1960 at Gangapur (folio 98);
(iii) Various snapshots taken in unidentified circumstances (folio 113);
(iv) Photographs and drawings concerning Haldane’s paper on tortoises, a copy of the text of which is at MS 20653, folio 174 (folio 151).